87121620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{929}}^1$

素因数の和:1465

約数の個数: 72

約数和(自身を含む): 265061160

約数和(自身を除く): 177939540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 929, 1042, 1563, 1858, 2084, 2605, 2787, 3126, 3716, 4645, 4689, 5210, 5574, 6252, 7815, 8361, 9290, 9378, 10420, 11148, 13935, 15630, 16722, 18580, 18756, 23445, 27870, 31260, 33444, 41805, 46890, 55740, 83610, 93780, 167220, 484009, 968018, 1452027, 1936036, 2420045, 2904054, 4356081, 4840090, 5808108, 7260135, 8712162, 9680180, 14520270, 17424324, 21780405, 29040540, 43560810, 87121620]

約数ペア:

[(1, 87121620), (2, 43560810), (3, 29040540), (4, 21780405), (5, 17424324), (6, 14520270), (9, 9680180), (10, 8712162), (12, 7260135), (15, 5808108), (18, 4840090), (20, 4356081), (30, 2904054), (36, 2420045), (45, 1936036), (60, 1452027), (90, 968018), (180, 484009), (521, 167220), (929, 93780), (1042, 83610), (1563, 55740), (1858, 46890), (2084, 41805), (2605, 33444), (2787, 31260), (3126, 27870), (3716, 23445), (4645, 18756), (4689, 18580), (5210, 16722), (5574, 15630), (6252, 13935), (7815, 11148), (8361, 10420), (9290, 9378)]