20145674880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:752

約数の個数: 384

約数和(自身を含む): 72253209600

約数和(自身を除く): 52107534720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 257, 279, 288, 310, 320, 360, 372, 384, 439, 465, 480, 496, 514, 558, 576, 620, 640, 720, 744, 771, 878, 930, 960, 992, 1028, 1116, 1152, 1240, 1285, 1317, 1395, 1440, 1488, 1542, 1756, 1860, 1920, 1984, 2056, 2195, 2232, 2313, 2480, 2570, 2634, 2790, 2880, 2976, 3084, 3512, 3720, 3855, 3951, 3968, 4112, 4390, 4464, 4626, 4960, 5140, 5268, 5580, 5760, 5952, 6168, 6585, 7024, 7440, 7710, 7902, 7967, 8224, 8780, 8928, 9252, 9920, 10280, 10536, 11160, 11565, 11904, 12336, 13170, 13609, 14048, 14880, 15420, 15804, 15934, 16448, 17560, 17856, 18504, 19755, 19840, 20560, 21072, 22320, 23130, 23901, 24672, 26340, 27218, 28096, 29760, 30840, 31608, 31868, 32896, 35120, 35712, 37008, 39510, 39835, 40827, 41120, 42144, 44640, 46260, 47802, 49344, 52680, 54436, 56192, 59520, 61680, 63216, 63736, 68045, 70240, 71703, 74016, 79020, 79670, 81654, 82240, 84288, 89280, 92520, 95604, 98688, 105360, 108872, 112823, 119505, 122481, 123360, 126432, 127472, 136090, 140480, 143406, 148032, 158040, 159340, 163308, 164480, 168576, 178560, 185040, 191208, 204135, 210720, 217744, 225646, 239010, 244962, 246720, 252864, 254944, 272180, 280960, 286812, 296064, 316080, 318680, 326616, 338469, 358515, 370080, 382416, 408270, 421440, 435488, 451292, 478020, 489924, 493440, 505728, 509888, 544360, 564115, 573624, 612405, 632160, 637360, 653232, 676938, 717030, 740160, 764832, 816540, 842880, 870976, 902584, 956040, 979848, 1015407, 1019776, 1088720, 1128230, 1147248, 1224810, 1264320, 1274720, 1306464, 1353876, 1434060, 1480320, 1529664, 1633080, 1692345, 1741952, 1805168, 1912080, 1959696, 2030814, 2177440, 2256460, 2294496, 2449620, 2528640, 2549440, 2612928, 2707752, 2868120, 3059328, 3266160, 3384690, 3497513, 3610336, 3824160, 3919392, 4061628, 4354880, 4512920, 4588992, 4899240, 5077035, 5098880, 5225856, 5415504, 5736240, 6532320, 6769380, 6995026, 7220672, 7648320, 7838784, 8123256, 8709760, 9025840, 9177984, 9798480, 10154070, 10492539, 10831008, 11472480, 13064640, 13538760, 13990052, 14441344, 15296640, 15677568, 16246512, 17487565, 18051680, 19596960, 20308140, 20985078, 21662016, 22944960, 26129280, 27077520, 27980104, 31477617, 32493024, 34975130, 36103360, 39193920, 40616280, 41970156, 43324032, 45889920, 52462695, 54155040, 55960208, 62955234, 64986048, 69950260, 72206720, 78387840, 81232560, 83940312, 104925390, 108310080, 111920416, 125910468, 129972096, 139900520, 157388085, 162465120, 167880624, 209850780, 216620160, 223840832, 251820936, 279801040, 314776170, 324930240, 335761248, 419701560, 447681664, 503641872, 559602080, 629552340, 649860480, 671522496, 839403120, 1007283744, 1119204160, 1259104680, 1343044992, 1678806240, 2014567488, 2238408320, 2518209360, 3357612480, 4029134976, 5036418720, 6715224960, 10072837440, 20145674880]

約数ペア:

[(1, 20145674880), (2, 10072837440), (3, 6715224960), (4, 5036418720), (5, 4029134976), (6, 3357612480), (8, 2518209360), (9, 2238408320), (10, 2014567488), (12, 1678806240), (15, 1343044992), (16, 1259104680), (18, 1119204160), (20, 1007283744), (24, 839403120), (30, 671522496), (31, 649860480), (32, 629552340), (36, 559602080), (40, 503641872), (45, 447681664), (48, 419701560), (60, 335761248), (62, 324930240), (64, 314776170), (72, 279801040), (80, 251820936), (90, 223840832), (93, 216620160), (96, 209850780), (120, 167880624), (124, 162465120), (128, 157388085), (144, 139900520), (155, 129972096), (160, 125910468), (180, 111920416), (186, 108310080), (192, 104925390), (240, 83940312), (248, 81232560), (257, 78387840), (279, 72206720), (288, 69950260), (310, 64986048), (320, 62955234), (360, 55960208), (372, 54155040), (384, 52462695), (439, 45889920), (465, 43324032), (480, 41970156), (496, 40616280), (514, 39193920), (558, 36103360), (576, 34975130), (620, 32493024), (640, 31477617), (720, 27980104), (744, 27077520), (771, 26129280), (878, 22944960), (930, 21662016), (960, 20985078), (992, 20308140), (1028, 19596960), (1116, 18051680), (1152, 17487565), (1240, 16246512), (1285, 15677568), (1317, 15296640), (1395, 14441344), (1440, 13990052), (1488, 13538760), (1542, 13064640), (1756, 11472480), (1860, 10831008), (1920, 10492539), (1984, 10154070), (2056, 9798480), (2195, 9177984), (2232, 9025840), (2313, 8709760), (2480, 8123256), (2570, 7838784), (2634, 7648320), (2790, 7220672), (2880, 6995026), (2976, 6769380), (3084, 6532320), (3512, 5736240), (3720, 5415504), (3855, 5225856), (3951, 5098880), (3968, 5077035), (4112, 4899240), (4390, 4588992), (4464, 4512920), (4626, 4354880), (4960, 4061628), (5140, 3919392), (5268, 3824160), (5580, 3610336), (5760, 3497513), (5952, 3384690), (6168, 3266160), (6585, 3059328), (7024, 2868120), (7440, 2707752), (7710, 2612928), (7902, 2549440), (7967, 2528640), (8224, 2449620), (8780, 2294496), (8928, 2256460), (9252, 2177440), (9920, 2030814), (10280, 1959696), (10536, 1912080), (11160, 1805168), (11565, 1741952), (11904, 1692345), (12336, 1633080), (13170, 1529664), (13609, 1480320), (14048, 1434060), (14880, 1353876), (15420, 1306464), (15804, 1274720), (15934, 1264320), (16448, 1224810), (17560, 1147248), (17856, 1128230), (18504, 1088720), (19755, 1019776), (19840, 1015407), (20560, 979848), (21072, 956040), (22320, 902584), (23130, 870976), (23901, 842880), (24672, 816540), (26340, 764832), (27218, 740160), (28096, 717030), (29760, 676938), (30840, 653232), (31608, 637360), (31868, 632160), (32896, 612405), (35120, 573624), (35712, 564115), (37008, 544360), (39510, 509888), (39835, 505728), (40827, 493440), (41120, 489924), (42144, 478020), (44640, 451292), (46260, 435488), (47802, 421440), (49344, 408270), (52680, 382416), (54436, 370080), (56192, 358515), (59520, 338469), (61680, 326616), (63216, 318680), (63736, 316080), (68045, 296064), (70240, 286812), (71703, 280960), (74016, 272180), (79020, 254944), (79670, 252864), (81654, 246720), (82240, 244962), (84288, 239010), (89280, 225646), (92520, 217744), (95604, 210720), (98688, 204135), (105360, 191208), (108872, 185040), (112823, 178560), (119505, 168576), (122481, 164480), (123360, 163308), (126432, 159340), (127472, 158040), (136090, 148032), (140480, 143406)]