20986810880

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:427

約数の個数: 320

約数和(自身を含む): 59476336128

約数和(自身を除く): 38489525248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 73, 80, 112, 122, 128, 140, 146, 160, 224, 244, 256, 263, 280, 292, 305, 320, 365, 427, 448, 488, 511, 512, 526, 560, 584, 610, 640, 730, 854, 896, 976, 1022, 1052, 1120, 1168, 1220, 1280, 1315, 1460, 1708, 1792, 1841, 1952, 2044, 2104, 2135, 2240, 2336, 2440, 2555, 2560, 2630, 2920, 3416, 3584, 3682, 3904, 4088, 4208, 4270, 4453, 4480, 4672, 4880, 5110, 5260, 5840, 6832, 7364, 7808, 8176, 8416, 8540, 8906, 8960, 9205, 9344, 9760, 10220, 10520, 11680, 13664, 14728, 15616, 16043, 16352, 16832, 17080, 17812, 17920, 18410, 18688, 19199, 19520, 20440, 21040, 22265, 23360, 27328, 29456, 31171, 31232, 32086, 32704, 33664, 34160, 35624, 36820, 37376, 38398, 39040, 40880, 42080, 44530, 46720, 54656, 58912, 62342, 64172, 65408, 67328, 68320, 71248, 73640, 76796, 78080, 80215, 81760, 84160, 89060, 93440, 95995, 109312, 112301, 117824, 124684, 128344, 130816, 134393, 134656, 136640, 142496, 147280, 153592, 155855, 156160, 160430, 163520, 168320, 178120, 186880, 191990, 218624, 224602, 235648, 249368, 256688, 261632, 268786, 273280, 284992, 294560, 307184, 311710, 320860, 327040, 336640, 356240, 383980, 449204, 471296, 498736, 513376, 537572, 546560, 561505, 569984, 589120, 614368, 623420, 641720, 654080, 671965, 673280, 712480, 767960, 898408, 942592, 997472, 1026752, 1075144, 1093120, 1123010, 1139968, 1171139, 1178240, 1228736, 1246840, 1283440, 1308160, 1343930, 1424960, 1535920, 1796816, 1994944, 2053504, 2150288, 2246020, 2279936, 2342278, 2356480, 2457472, 2493680, 2566880, 2687860, 2849920, 3071840, 3593632, 3989888, 4107008, 4300576, 4492040, 4684556, 4712960, 4914944, 4987360, 5133760, 5375720, 5699840, 5855695, 6143680, 7187264, 7979776, 8197973, 8214016, 8601152, 8984080, 9369112, 9829888, 9974720, 10267520, 10751440, 11399680, 11711390, 12287360, 14374528, 15959552, 16395946, 17202304, 17968160, 18738224, 19949440, 20535040, 21502880, 23422780, 24574720, 28749056, 32791892, 34404608, 35936320, 37476448, 39898880, 40989865, 41070080, 43005760, 46845560, 49149440, 57498112, 65583784, 68809216, 71872640, 74952896, 79797760, 81979730, 86011520, 93691120, 131167568, 143745280, 149905792, 163959460, 172023040, 187382240, 262335136, 287490560, 299811584, 327918920, 344046080, 374764480, 524670272, 599623168, 655837840, 749528960, 1049340544, 1311675680, 1499057920, 2098681088, 2623351360, 2998115840, 4197362176, 5246702720, 10493405440, 20986810880]

約数ペア:

[(1, 20986810880), (2, 10493405440), (4, 5246702720), (5, 4197362176), (7, 2998115840), (8, 2623351360), (10, 2098681088), (14, 1499057920), (16, 1311675680), (20, 1049340544), (28, 749528960), (32, 655837840), (35, 599623168), (40, 524670272), (56, 374764480), (61, 344046080), (64, 327918920), (70, 299811584), (73, 287490560), (80, 262335136), (112, 187382240), (122, 172023040), (128, 163959460), (140, 149905792), (146, 143745280), (160, 131167568), (224, 93691120), (244, 86011520), (256, 81979730), (263, 79797760), (280, 74952896), (292, 71872640), (305, 68809216), (320, 65583784), (365, 57498112), (427, 49149440), (448, 46845560), (488, 43005760), (511, 41070080), (512, 40989865), (526, 39898880), (560, 37476448), (584, 35936320), (610, 34404608), (640, 32791892), (730, 28749056), (854, 24574720), (896, 23422780), (976, 21502880), (1022, 20535040), (1052, 19949440), (1120, 18738224), (1168, 17968160), (1220, 17202304), (1280, 16395946), (1315, 15959552), (1460, 14374528), (1708, 12287360), (1792, 11711390), (1841, 11399680), (1952, 10751440), (2044, 10267520), (2104, 9974720), (2135, 9829888), (2240, 9369112), (2336, 8984080), (2440, 8601152), (2555, 8214016), (2560, 8197973), (2630, 7979776), (2920, 7187264), (3416, 6143680), (3584, 5855695), (3682, 5699840), (3904, 5375720), (4088, 5133760), (4208, 4987360), (4270, 4914944), (4453, 4712960), (4480, 4684556), (4672, 4492040), (4880, 4300576), (5110, 4107008), (5260, 3989888), (5840, 3593632), (6832, 3071840), (7364, 2849920), (7808, 2687860), (8176, 2566880), (8416, 2493680), (8540, 2457472), (8906, 2356480), (8960, 2342278), (9205, 2279936), (9344, 2246020), (9760, 2150288), (10220, 2053504), (10520, 1994944), (11680, 1796816), (13664, 1535920), (14728, 1424960), (15616, 1343930), (16043, 1308160), (16352, 1283440), (16832, 1246840), (17080, 1228736), (17812, 1178240), (17920, 1171139), (18410, 1139968), (18688, 1123010), (19199, 1093120), (19520, 1075144), (20440, 1026752), (21040, 997472), (22265, 942592), (23360, 898408), (27328, 767960), (29456, 712480), (31171, 673280), (31232, 671965), (32086, 654080), (32704, 641720), (33664, 623420), (34160, 614368), (35624, 589120), (36820, 569984), (37376, 561505), (38398, 546560), (39040, 537572), (40880, 513376), (42080, 498736), (44530, 471296), (46720, 449204), (54656, 383980), (58912, 356240), (62342, 336640), (64172, 327040), (65408, 320860), (67328, 311710), (68320, 307184), (71248, 294560), (73640, 284992), (76796, 273280), (78080, 268786), (80215, 261632), (81760, 256688), (84160, 249368), (89060, 235648), (93440, 224602), (95995, 218624), (109312, 191990), (112301, 186880), (117824, 178120), (124684, 168320), (128344, 163520), (130816, 160430), (134393, 156160), (134656, 155855), (136640, 153592), (142496, 147280)]