81942750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 224864640

約数和(自身を除く): 142921890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 79, 90, 125, 150, 158, 225, 237, 250, 375, 395, 450, 461, 474, 711, 750, 790, 922, 1125, 1185, 1383, 1422, 1975, 2250, 2305, 2370, 2766, 3555, 3950, 4149, 4610, 5925, 6915, 7110, 8298, 9875, 11525, 11850, 13830, 17775, 19750, 20745, 23050, 29625, 34575, 35550, 36419, 41490, 57625, 59250, 69150, 72838, 88875, 103725, 109257, 115250, 172875, 177750, 182095, 207450, 218514, 327771, 345750, 364190, 518625, 546285, 655542, 910475, 1037250, 1092570, 1638855, 1820950, 2731425, 3277710, 4552375, 5462850, 8194275, 9104750, 13657125, 16388550, 27314250, 40971375, 81942750]

約数ペア:

[(1, 81942750), (2, 40971375), (3, 27314250), (5, 16388550), (6, 13657125), (9, 9104750), (10, 8194275), (15, 5462850), (18, 4552375), (25, 3277710), (30, 2731425), (45, 1820950), (50, 1638855), (75, 1092570), (79, 1037250), (90, 910475), (125, 655542), (150, 546285), (158, 518625), (225, 364190), (237, 345750), (250, 327771), (375, 218514), (395, 207450), (450, 182095), (461, 177750), (474, 172875), (711, 115250), (750, 109257), (790, 103725), (922, 88875), (1125, 72838), (1185, 69150), (1383, 59250), (1422, 57625), (1975, 41490), (2250, 36419), (2305, 35550), (2370, 34575), (2766, 29625), (3555, 23050), (3950, 20745), (4149, 19750), (4610, 17775), (5925, 13830), (6915, 11850), (7110, 11525), (8298, 9875)]