79710280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 129308600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 71, 85, 104, 127, 130, 136, 142, 170, 221, 254, 260, 284, 340, 355, 442, 508, 520, 568, 635, 680, 710, 884, 923, 1016, 1105, 1207, 1270, 1420, 1651, 1768, 1846, 2159, 2210, 2414, 2540, 2840, 3302, 3692, 4318, 4420, 4615, 4828, 5080, 6035, 6604, 7384, 8255, 8636, 8840, 9017, 9230, 9656, 10795, 12070, 13208, 15691, 16510, 17272, 18034, 18460, 21590, 24140, 28067, 31382, 33020, 36068, 36920, 43180, 45085, 48280, 56134, 62764, 66040, 72136, 78455, 86360, 90170, 112268, 117221, 125528, 140335, 153289, 156910, 180340, 224536, 234442, 280670, 306578, 313820, 360680, 468884, 561340, 586105, 613156, 627640, 766445, 937768, 1122680, 1172210, 1226312, 1532890, 1992757, 2344420, 3065780, 3985514, 4688840, 6131560, 7971028, 9963785, 15942056, 19927570, 39855140, 79710280]

約数ペア:

[(1, 79710280), (2, 39855140), (4, 19927570), (5, 15942056), (8, 9963785), (10, 7971028), (13, 6131560), (17, 4688840), (20, 3985514), (26, 3065780), (34, 2344420), (40, 1992757), (52, 1532890), (65, 1226312), (68, 1172210), (71, 1122680), (85, 937768), (104, 766445), (127, 627640), (130, 613156), (136, 586105), (142, 561340), (170, 468884), (221, 360680), (254, 313820), (260, 306578), (284, 280670), (340, 234442), (355, 224536), (442, 180340), (508, 156910), (520, 153289), (568, 140335), (635, 125528), (680, 117221), (710, 112268), (884, 90170), (923, 86360), (1016, 78455), (1105, 72136), (1207, 66040), (1270, 62764), (1420, 56134), (1651, 48280), (1768, 45085), (1846, 43180), (2159, 36920), (2210, 36068), (2414, 33020), (2540, 31382), (2840, 28067), (3302, 24140), (3692, 21590), (4318, 18460), (4420, 18034), (4615, 17272), (4828, 16510), (5080, 15691), (6035, 13208), (6604, 12070), (7384, 10795), (8255, 9656), (8636, 9230), (8840, 9017)]