80803125

素因数分解:

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

素因数の和:74

約数の個数: 108

約数和(自身を含む): 167262732

約数和(自身を除く): 86459607

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 125, 153, 169, 195, 221, 225, 255, 325, 375, 425, 507, 585, 625, 663, 765, 845, 975, 1105, 1125, 1275, 1521, 1625, 1875, 1989, 2125, 2535, 2873, 2925, 3125, 3315, 3825, 4225, 4875, 5525, 5625, 6375, 7605, 8125, 8619, 9375, 9945, 10625, 12675, 14365, 14625, 16575, 19125, 21125, 24375, 25857, 27625, 28125, 31875, 38025, 40625, 43095, 49725, 53125, 63375, 71825, 73125, 82875, 95625, 105625, 121875, 129285, 138125, 159375, 190125, 215475, 248625, 316875, 359125, 365625, 414375, 478125, 528125, 646425, 690625, 950625, 1077375, 1243125, 1584375, 1795625, 2071875, 3232125, 4753125, 5386875, 6215625, 8978125, 16160625, 26934375, 80803125]

約数ペア:

[(1, 80803125), (3, 26934375), (5, 16160625), (9, 8978125), (13, 6215625), (15, 5386875), (17, 4753125), (25, 3232125), (39, 2071875), (45, 1795625), (51, 1584375), (65, 1243125), (75, 1077375), (85, 950625), (117, 690625), (125, 646425), (153, 528125), (169, 478125), (195, 414375), (221, 365625), (225, 359125), (255, 316875), (325, 248625), (375, 215475), (425, 190125), (507, 159375), (585, 138125), (625, 129285), (663, 121875), (765, 105625), (845, 95625), (975, 82875), (1105, 73125), (1125, 71825), (1275, 63375), (1521, 53125), (1625, 49725), (1875, 43095), (1989, 40625), (2125, 38025), (2535, 31875), (2873, 28125), (2925, 27625), (3125, 25857), (3315, 24375), (3825, 21125), (4225, 19125), (4875, 16575), (5525, 14625), (5625, 14365), (6375, 12675), (7605, 10625), (8125, 9945), (8619, 9375)]