645078480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2687827}}^1$

素因数の和:2687843

約数の個数: 40

約数和(自身を含む): 1999744032

約数和(自身を除く): 1354665552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2687827, 5375654, 8063481, 10751308, 13439135, 16126962, 21502616, 26878270, 32253924, 40317405, 43005232, 53756540, 64507848, 80634810, 107513080, 129015696, 161269620, 215026160, 322539240, 645078480]

約数ペア:

[(1, 645078480), (2, 322539240), (3, 215026160), (4, 161269620), (5, 129015696), (6, 107513080), (8, 80634810), (10, 64507848), (12, 53756540), (15, 43005232), (16, 40317405), (20, 32253924), (24, 26878270), (30, 21502616), (40, 16126962), (48, 13439135), (60, 10751308), (80, 8063481), (120, 5375654), (240, 2687827)]