12807746720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^3\times {\mathrm{2687}}^1$

素因数の和:2795

約数の個数: 96

約数和(自身を含む): 31278514176

約数和(自身を除く): 18470767456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 2687, 3844, 4805, 4960, 5374, 7688, 9610, 10748, 13435, 15376, 19220, 21496, 26870, 29791, 30752, 38440, 42992, 53740, 59582, 76880, 83297, 85984, 107480, 119164, 148955, 153760, 166594, 214960, 238328, 297910, 333188, 416485, 429920, 476656, 595820, 666376, 832970, 953312, 1191640, 1332752, 1665940, 2383280, 2582207, 2665504, 3331880, 4766560, 5164414, 6663760, 10328828, 12911035, 13327520, 20657656, 25822070, 41315312, 51644140, 80048417, 82630624, 103288280, 160096834, 206576560, 320193668, 400242085, 413153120, 640387336, 800484170, 1280774672, 1600968340, 2561549344, 3201936680, 6403873360, 12807746720]

約数ペア:

[(1, 12807746720), (2, 6403873360), (4, 3201936680), (5, 2561549344), (8, 1600968340), (10, 1280774672), (16, 800484170), (20, 640387336), (31, 413153120), (32, 400242085), (40, 320193668), (62, 206576560), (80, 160096834), (124, 103288280), (155, 82630624), (160, 80048417), (248, 51644140), (310, 41315312), (496, 25822070), (620, 20657656), (961, 13327520), (992, 12911035), (1240, 10328828), (1922, 6663760), (2480, 5164414), (2687, 4766560), (3844, 3331880), (4805, 2665504), (4960, 2582207), (5374, 2383280), (7688, 1665940), (9610, 1332752), (10748, 1191640), (13435, 953312), (15376, 832970), (19220, 666376), (21496, 595820), (26870, 476656), (29791, 429920), (30752, 416485), (38440, 333188), (42992, 297910), (53740, 238328), (59582, 214960), (76880, 166594), (83297, 153760), (85984, 148955), (107480, 119164)]