31026520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3821}}^1$

素因数の和:3868

約数の個数: 64

約数和(自身を含む): 82555200

約数和(自身を除く): 51528680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3821, 4060, 7642, 8120, 15284, 19105, 26747, 30568, 38210, 53494, 76420, 106988, 110809, 133735, 152840, 213976, 221618, 267470, 443236, 534940, 554045, 775663, 886472, 1069880, 1108090, 1551326, 2216180, 3102652, 3878315, 4432360, 6205304, 7756630, 15513260, 31026520]

約数ペア:

[(1, 31026520), (2, 15513260), (4, 7756630), (5, 6205304), (7, 4432360), (8, 3878315), (10, 3102652), (14, 2216180), (20, 1551326), (28, 1108090), (29, 1069880), (35, 886472), (40, 775663), (56, 554045), (58, 534940), (70, 443236), (116, 267470), (140, 221618), (145, 213976), (203, 152840), (232, 133735), (280, 110809), (290, 106988), (406, 76420), (580, 53494), (812, 38210), (1015, 30568), (1160, 26747), (1624, 19105), (2030, 15284), (3821, 8120), (4060, 7642)]