1265192520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{863}}^1$

素因数の和:1539

約数の個数: 128

約数和(自身を含む): 4006195200

約数和(自身を除く): 2741002680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 643, 760, 863, 1140, 1286, 1726, 1929, 2280, 2572, 2589, 3215, 3452, 3858, 4315, 5144, 5178, 6430, 6904, 7716, 8630, 9645, 10356, 12217, 12860, 12945, 15432, 16397, 17260, 19290, 20712, 24434, 25720, 25890, 32794, 34520, 36651, 38580, 48868, 49191, 51780, 61085, 65588, 73302, 77160, 81985, 97736, 98382, 103560, 122170, 131176, 146604, 163970, 183255, 196764, 244340, 245955, 293208, 327940, 366510, 393528, 488680, 491910, 554909, 655880, 733020, 983820, 1109818, 1466040, 1664727, 1967640, 2219636, 2774545, 3329454, 4439272, 5549090, 6658908, 8323635, 10543271, 11098180, 13317816, 16647270, 21086542, 22196360, 31629813, 33294540, 42173084, 52716355, 63259626, 66589080, 84346168, 105432710, 126519252, 158149065, 210865420, 253038504, 316298130, 421730840, 632596260, 1265192520]

約数ペア:

[(1, 1265192520), (2, 632596260), (3, 421730840), (4, 316298130), (5, 253038504), (6, 210865420), (8, 158149065), (10, 126519252), (12, 105432710), (15, 84346168), (19, 66589080), (20, 63259626), (24, 52716355), (30, 42173084), (38, 33294540), (40, 31629813), (57, 22196360), (60, 21086542), (76, 16647270), (95, 13317816), (114, 11098180), (120, 10543271), (152, 8323635), (190, 6658908), (228, 5549090), (285, 4439272), (380, 3329454), (456, 2774545), (570, 2219636), (643, 1967640), (760, 1664727), (863, 1466040), (1140, 1109818), (1286, 983820), (1726, 733020), (1929, 655880), (2280, 554909), (2572, 491910), (2589, 488680), (3215, 393528), (3452, 366510), (3858, 327940), (4315, 293208), (5144, 245955), (5178, 244340), (6430, 196764), (6904, 183255), (7716, 163970), (8630, 146604), (9645, 131176), (10356, 122170), (12217, 103560), (12860, 98382), (12945, 97736), (15432, 81985), (16397, 77160), (17260, 73302), (19290, 65588), (20712, 61085), (24434, 51780), (25720, 49191), (25890, 48868), (32794, 38580), (34520, 36651)]