71488125

素因数分解:

$3^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 60

約数和(自身を含む): 131582880

約数和(自身を除く): 60094755

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 179, 213, 225, 355, 375, 537, 625, 639, 895, 1065, 1125, 1611, 1775, 1875, 2685, 3195, 4475, 5325, 5625, 8055, 8875, 12709, 13425, 15975, 22375, 26625, 38127, 40275, 44375, 63545, 67125, 79875, 111875, 114381, 133125, 190635, 201375, 317725, 335625, 399375, 571905, 953175, 1006875, 1588625, 2859525, 4765875, 7943125, 14297625, 23829375, 71488125]

約数ペア:

[(1, 71488125), (3, 23829375), (5, 14297625), (9, 7943125), (15, 4765875), (25, 2859525), (45, 1588625), (71, 1006875), (75, 953175), (125, 571905), (179, 399375), (213, 335625), (225, 317725), (355, 201375), (375, 190635), (537, 133125), (625, 114381), (639, 111875), (895, 79875), (1065, 67125), (1125, 63545), (1611, 44375), (1775, 40275), (1875, 38127), (2685, 26625), (3195, 22375), (4475, 15975), (5325, 13425), (5625, 12709), (8055, 8875)]