405240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 1330560

約数和(自身を除く): 925320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 307, 330, 440, 614, 660, 921, 1228, 1320, 1535, 1842, 2456, 3070, 3377, 3684, 4605, 6140, 6754, 7368, 9210, 10131, 12280, 13508, 16885, 18420, 20262, 27016, 33770, 36840, 40524, 50655, 67540, 81048, 101310, 135080, 202620, 405240]

約数ペア:

[(1, 405240), (2, 202620), (3, 135080), (4, 101310), (5, 81048), (6, 67540), (8, 50655), (10, 40524), (11, 36840), (12, 33770), (15, 27016), (20, 20262), (22, 18420), (24, 16885), (30, 13508), (33, 12280), (40, 10131), (44, 9210), (55, 7368), (60, 6754), (66, 6140), (88, 4605), (110, 3684), (120, 3377), (132, 3070), (165, 2456), (220, 1842), (264, 1535), (307, 1320), (330, 1228), (440, 921), (614, 660)]