64198125

素因数分解:

$3^2\times 5^4\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 60

約数和(自身を含む): 118059084

約数和(自身を除く): 53860959

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 113, 125, 225, 303, 339, 375, 505, 565, 625, 909, 1017, 1125, 1515, 1695, 1875, 2525, 2825, 4545, 5085, 5625, 7575, 8475, 11413, 12625, 14125, 22725, 25425, 34239, 37875, 42375, 57065, 63125, 70625, 102717, 113625, 127125, 171195, 189375, 211875, 285325, 513585, 568125, 635625, 855975, 1426625, 2567925, 4279875, 7133125, 12839625, 21399375, 64198125]

約数ペア:

[(1, 64198125), (3, 21399375), (5, 12839625), (9, 7133125), (15, 4279875), (25, 2567925), (45, 1426625), (75, 855975), (101, 635625), (113, 568125), (125, 513585), (225, 285325), (303, 211875), (339, 189375), (375, 171195), (505, 127125), (565, 113625), (625, 102717), (909, 70625), (1017, 63125), (1125, 57065), (1515, 42375), (1695, 37875), (1875, 34239), (2525, 25425), (2825, 22725), (4545, 14125), (5085, 12625), (5625, 11413), (7575, 8475)]