31259340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24809}}^1$

素因数の和:24831

約数の個数: 72

約数和(自身を含む): 108370080

約数和(自身を除く): 77110740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24809, 49618, 74427, 99236, 124045, 148854, 173663, 223281, 248090, 297708, 347326, 372135, 446562, 496180, 520989, 694652, 744270, 868315, 893124, 1041978, 1116405, 1488540, 1562967, 1736630, 2083956, 2232810, 2604945, 3125934, 3473260, 4465620, 5209890, 6251868, 7814835, 10419780, 15629670, 31259340]

約数ペア:

[(1, 31259340), (2, 15629670), (3, 10419780), (4, 7814835), (5, 6251868), (6, 5209890), (7, 4465620), (9, 3473260), (10, 3125934), (12, 2604945), (14, 2232810), (15, 2083956), (18, 1736630), (20, 1562967), (21, 1488540), (28, 1116405), (30, 1041978), (35, 893124), (36, 868315), (42, 744270), (45, 694652), (60, 520989), (63, 496180), (70, 446562), (84, 372135), (90, 347326), (105, 297708), (126, 248090), (140, 223281), (180, 173663), (210, 148854), (252, 124045), (315, 99236), (420, 74427), (630, 49618), (1260, 24809)]