289890480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109807}}^1$

素因数の和:109834

約数の個数: 80

約数和(自身を含む): 980365824

約数和(自身を除く): 690475344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 109807, 219614, 329421, 439228, 549035, 658842, 878456, 1098070, 1207877, 1317684, 1647105, 1756912, 2196140, 2415754, 2635368, 3294210, 3623631, 4392280, 4831508, 5270736, 6039385, 6588420, 7247262, 8784560, 9663016, 12078770, 13176840, 14494524, 18118155, 19326032, 24157540, 26353680, 28989048, 36236310, 48315080, 57978096, 72472620, 96630160, 144945240, 289890480]

約数ペア:

[(1, 289890480), (2, 144945240), (3, 96630160), (4, 72472620), (5, 57978096), (6, 48315080), (8, 36236310), (10, 28989048), (11, 26353680), (12, 24157540), (15, 19326032), (16, 18118155), (20, 14494524), (22, 13176840), (24, 12078770), (30, 9663016), (33, 8784560), (40, 7247262), (44, 6588420), (48, 6039385), (55, 5270736), (60, 4831508), (66, 4392280), (80, 3623631), (88, 3294210), (110, 2635368), (120, 2415754), (132, 2196140), (165, 1756912), (176, 1647105), (220, 1317684), (240, 1207877), (264, 1098070), (330, 878456), (440, 658842), (528, 549035), (660, 439228), (880, 329421), (1320, 219614), (2640, 109807)]