64721125

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 103334400

約数和(自身を除く): 38613275

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 125, 133, 175, 229, 323, 425, 475, 595, 665, 875, 1145, 1603, 1615, 2125, 2261, 2375, 2975, 3325, 3893, 4351, 5725, 8015, 8075, 11305, 14875, 16625, 19465, 21755, 27251, 28625, 30457, 40075, 40375, 56525, 73967, 97325, 108775, 136255, 152285, 200375, 282625, 369835, 486625, 517769, 543875, 681275, 761425, 1849175, 2588845, 3406375, 3807125, 9245875, 12944225, 64721125]

約数ペア:

[(1, 64721125), (5, 12944225), (7, 9245875), (17, 3807125), (19, 3406375), (25, 2588845), (35, 1849175), (85, 761425), (95, 681275), (119, 543875), (125, 517769), (133, 486625), (175, 369835), (229, 282625), (323, 200375), (425, 152285), (475, 136255), (595, 108775), (665, 97325), (875, 73967), (1145, 56525), (1603, 40375), (1615, 40075), (2125, 30457), (2261, 28625), (2375, 27251), (2975, 21755), (3325, 19465), (3893, 16625), (4351, 14875), (5725, 11305), (8015, 8075)]