20154821120

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:212

約数の個数: 480

約数和(自身を含む): 59650753536

約数和(自身を除く): 39495932416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 71, 73, 80, 98, 112, 124, 128, 140, 142, 146, 155, 160, 196, 217, 224, 245, 248, 256, 280, 284, 292, 310, 320, 355, 365, 392, 434, 448, 490, 496, 497, 511, 512, 560, 568, 584, 620, 640, 710, 730, 784, 868, 896, 980, 992, 994, 1022, 1085, 1120, 1136, 1168, 1240, 1280, 1420, 1460, 1519, 1568, 1736, 1792, 1960, 1984, 1988, 2044, 2170, 2201, 2240, 2263, 2272, 2336, 2480, 2485, 2555, 2560, 2840, 2920, 3038, 3136, 3472, 3479, 3577, 3584, 3920, 3968, 3976, 4088, 4340, 4402, 4480, 4526, 4544, 4672, 4960, 4970, 5110, 5183, 5680, 5840, 6076, 6272, 6944, 6958, 7154, 7595, 7840, 7936, 7952, 8176, 8680, 8804, 8960, 9052, 9088, 9344, 9920, 9940, 10220, 10366, 11005, 11315, 11360, 11680, 12152, 12544, 13888, 13916, 14308, 15190, 15407, 15680, 15841, 15872, 15904, 16352, 17360, 17395, 17608, 17885, 17920, 18104, 18176, 18688, 19840, 19880, 20440, 20732, 22010, 22630, 22720, 23360, 24304, 25088, 25915, 27776, 27832, 28616, 30380, 30814, 31360, 31682, 31808, 32704, 34720, 34790, 35216, 35770, 36208, 36281, 36352, 37376, 39680, 39760, 40880, 41464, 44020, 45260, 45440, 46720, 48608, 51830, 55552, 55664, 57232, 60760, 61628, 62720, 63364, 63616, 65408, 69440, 69580, 70432, 71540, 72416, 72562, 77035, 79205, 79360, 79520, 81760, 82928, 88040, 90520, 90880, 93440, 97216, 103660, 107849, 110887, 111104, 111328, 114464, 121520, 123256, 125440, 126728, 127232, 130816, 138880, 139160, 140864, 143080, 144832, 145124, 154070, 158410, 159040, 160673, 163520, 165856, 176080, 181040, 181405, 181760, 186880, 194432, 207320, 215698, 221774, 222656, 228928, 243040, 246512, 253456, 253967, 254464, 261632, 277760, 278320, 281728, 286160, 289664, 290248, 308140, 316820, 318080, 321346, 327040, 331712, 352160, 362080, 362810, 388864, 414640, 431396, 443548, 445312, 457856, 486080, 493024, 506912, 507934, 539245, 554435, 555520, 556640, 563456, 572320, 579328, 580496, 616280, 633640, 636160, 642692, 654080, 663424, 704320, 724160, 725620, 777728, 803365, 829280, 862792, 887096, 890624, 915712, 972160, 986048, 1013824, 1015868, 1078490, 1108870, 1113280, 1124711, 1126912, 1144640, 1158656, 1160992, 1232560, 1267280, 1269835, 1272320, 1285384, 1308160, 1326848, 1408640, 1448320, 1451240, 1606730, 1658560, 1725584, 1774192, 1781248, 1831424, 1944320, 1972096, 2027648, 2031736, 2156980, 2217740, 2226560, 2249422, 2289280, 2321984, 2465120, 2534560, 2539670, 2570768, 2653696, 2817280, 2896640, 2902480, 3213460, 3317120, 3451168, 3548384, 3888640, 3944192, 4055296, 4063472, 4313960, 4435480, 4453120, 4498844, 4578560, 4643968, 4930240, 5069120, 5079340, 5141536, 5623555, 5634560, 5793280, 5804960, 6426920, 6634240, 6902336, 7096768, 7872977, 7888384, 8110592, 8126944, 8627920, 8870960, 8906240, 8997688, 9157120, 9287936, 9860480, 10138240, 10158680, 10283072, 11247110, 11609920, 12853840, 13268480, 13804672, 14193536, 15745954, 16253888, 17255840, 17741920, 17995376, 18575872, 19720960, 20276480, 20317360, 20566144, 22494220, 23219840, 25707680, 27609344, 28387072, 31491908, 32507776, 34511680, 35483840, 35990752, 39364885, 39441920, 40552960, 40634720, 41132288, 44988440, 46439680, 51415360, 55218688, 56774144, 62983816, 65015552, 69023360, 70967680, 71981504, 78729770, 81269440, 82264576, 89976880, 92879360, 102830720, 125967632, 130031104, 138046720, 141935360, 143963008, 157459540, 162538880, 179953760, 205661440, 251935264, 276093440, 283870720, 287926016, 314919080, 325077760, 359907520, 411322880, 503870528, 575852032, 629838160, 650155520, 719815040, 1007741056, 1259676320, 1439630080, 2015482112, 2519352640, 2879260160, 4030964224, 5038705280, 10077410560, 20154821120]

約数ペア:

[(1, 20154821120), (2, 10077410560), (4, 5038705280), (5, 4030964224), (7, 2879260160), (8, 2519352640), (10, 2015482112), (14, 1439630080), (16, 1259676320), (20, 1007741056), (28, 719815040), (31, 650155520), (32, 629838160), (35, 575852032), (40, 503870528), (49, 411322880), (56, 359907520), (62, 325077760), (64, 314919080), (70, 287926016), (71, 283870720), (73, 276093440), (80, 251935264), (98, 205661440), (112, 179953760), (124, 162538880), (128, 157459540), (140, 143963008), (142, 141935360), (146, 138046720), (155, 130031104), (160, 125967632), (196, 102830720), (217, 92879360), (224, 89976880), (245, 82264576), (248, 81269440), (256, 78729770), (280, 71981504), (284, 70967680), (292, 69023360), (310, 65015552), (320, 62983816), (355, 56774144), (365, 55218688), (392, 51415360), (434, 46439680), (448, 44988440), (490, 41132288), (496, 40634720), (497, 40552960), (511, 39441920), (512, 39364885), (560, 35990752), (568, 35483840), (584, 34511680), (620, 32507776), (640, 31491908), (710, 28387072), (730, 27609344), (784, 25707680), (868, 23219840), (896, 22494220), (980, 20566144), (992, 20317360), (994, 20276480), (1022, 19720960), (1085, 18575872), (1120, 17995376), (1136, 17741920), (1168, 17255840), (1240, 16253888), (1280, 15745954), (1420, 14193536), (1460, 13804672), (1519, 13268480), (1568, 12853840), (1736, 11609920), (1792, 11247110), (1960, 10283072), (1984, 10158680), (1988, 10138240), (2044, 9860480), (2170, 9287936), (2201, 9157120), (2240, 8997688), (2263, 8906240), (2272, 8870960), (2336, 8627920), (2480, 8126944), (2485, 8110592), (2555, 7888384), (2560, 7872977), (2840, 7096768), (2920, 6902336), (3038, 6634240), (3136, 6426920), (3472, 5804960), (3479, 5793280), (3577, 5634560), (3584, 5623555), (3920, 5141536), (3968, 5079340), (3976, 5069120), (4088, 4930240), (4340, 4643968), (4402, 4578560), (4480, 4498844), (4526, 4453120), (4544, 4435480), (4672, 4313960), (4960, 4063472), (4970, 4055296), (5110, 3944192), (5183, 3888640), (5680, 3548384), (5840, 3451168), (6076, 3317120), (6272, 3213460), (6944, 2902480), (6958, 2896640), (7154, 2817280), (7595, 2653696), (7840, 2570768), (7936, 2539670), (7952, 2534560), (8176, 2465120), (8680, 2321984), (8804, 2289280), (8960, 2249422), (9052, 2226560), (9088, 2217740), (9344, 2156980), (9920, 2031736), (9940, 2027648), (10220, 1972096), (10366, 1944320), (11005, 1831424), (11315, 1781248), (11360, 1774192), (11680, 1725584), (12152, 1658560), (12544, 1606730), (13888, 1451240), (13916, 1448320), (14308, 1408640), (15190, 1326848), (15407, 1308160), (15680, 1285384), (15841, 1272320), (15872, 1269835), (15904, 1267280), (16352, 1232560), (17360, 1160992), (17395, 1158656), (17608, 1144640), (17885, 1126912), (17920, 1124711), (18104, 1113280), (18176, 1108870), (18688, 1078490), (19840, 1015868), (19880, 1013824), (20440, 986048), (20732, 972160), (22010, 915712), (22630, 890624), (22720, 887096), (23360, 862792), (24304, 829280), (25088, 803365), (25915, 777728), (27776, 725620), (27832, 724160), (28616, 704320), (30380, 663424), (30814, 654080), (31360, 642692), (31682, 636160), (31808, 633640), (32704, 616280), (34720, 580496), (34790, 579328), (35216, 572320), (35770, 563456), (36208, 556640), (36281, 555520), (36352, 554435), (37376, 539245), (39680, 507934), (39760, 506912), (40880, 493024), (41464, 486080), (44020, 457856), (45260, 445312), (45440, 443548), (46720, 431396), (48608, 414640), (51830, 388864), (55552, 362810), (55664, 362080), (57232, 352160), (60760, 331712), (61628, 327040), (62720, 321346), (63364, 318080), (63616, 316820), (65408, 308140), (69440, 290248), (69580, 289664), (70432, 286160), (71540, 281728), (72416, 278320), (72562, 277760), (77035, 261632), (79205, 254464), (79360, 253967), (79520, 253456), (81760, 246512), (82928, 243040), (88040, 228928), (90520, 222656), (90880, 221774), (93440, 215698), (97216, 207320), (103660, 194432), (107849, 186880), (110887, 181760), (111104, 181405), (111328, 181040), (114464, 176080), (121520, 165856), (123256, 163520), (125440, 160673), (126728, 159040), (127232, 158410), (130816, 154070), (138880, 145124), (139160, 144832), (140864, 143080)]