81157080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23321}}^1$

素因数の和:23364

約数の個数: 64

約数和(自身を含む): 251877600

約数和(自身を除く): 170720520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 23321, 46642, 69963, 93284, 116605, 139926, 186568, 233210, 279852, 349815, 466420, 559704, 676309, 699630, 932840, 1352618, 1399260, 2028927, 2705236, 2798520, 3381545, 4057854, 5410472, 6763090, 8115708, 10144635, 13526180, 16231416, 20289270, 27052360, 40578540, 81157080]

約数ペア:

[(1, 81157080), (2, 40578540), (3, 27052360), (4, 20289270), (5, 16231416), (6, 13526180), (8, 10144635), (10, 8115708), (12, 6763090), (15, 5410472), (20, 4057854), (24, 3381545), (29, 2798520), (30, 2705236), (40, 2028927), (58, 1399260), (60, 1352618), (87, 932840), (116, 699630), (120, 676309), (145, 559704), (174, 466420), (232, 349815), (290, 279852), (348, 233210), (435, 186568), (580, 139926), (696, 116605), (870, 93284), (1160, 69963), (1740, 46642), (3480, 23321)]