68315625

素因数分解:

$3^2\times 5^5\times 7^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 141365952

約数和(自身を除く): 73050327

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 347, 375, 525, 625, 875, 1041, 1125, 1575, 1735, 1875, 2429, 2625, 3123, 3125, 4375, 5205, 5625, 7287, 7875, 8675, 9375, 12145, 13125, 15615, 21861, 21875, 26025, 28125, 36435, 39375, 43375, 60725, 65625, 78075, 109305, 130125, 182175, 196875, 216875, 303625, 390375, 546525, 650625, 910875, 1084375, 1518125, 1951875, 2732625, 3253125, 4554375, 7590625, 9759375, 13663125, 22771875, 68315625]

約数ペア:

[(1, 68315625), (3, 22771875), (5, 13663125), (7, 9759375), (9, 7590625), (15, 4554375), (21, 3253125), (25, 2732625), (35, 1951875), (45, 1518125), (63, 1084375), (75, 910875), (105, 650625), (125, 546525), (175, 390375), (225, 303625), (315, 216875), (347, 196875), (375, 182175), (525, 130125), (625, 109305), (875, 78075), (1041, 65625), (1125, 60725), (1575, 43375), (1735, 39375), (1875, 36435), (2429, 28125), (2625, 26025), (3123, 21875), (3125, 21861), (4375, 15615), (5205, 13125), (5625, 12145), (7287, 9375), (7875, 8675)]