720304880

素因数分解:

$2^4\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{5881}}^1$

素因数の和:7425

約数の個数: 40

約数和(自身を含む): 1676087664

約数和(自身を除く): 955782784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1531, 3062, 5881, 6124, 7655, 11762, 12248, 15310, 23524, 24496, 29405, 30620, 47048, 58810, 61240, 94096, 117620, 122480, 235240, 470480, 9003811, 18007622, 36015244, 45019055, 72030488, 90038110, 144060976, 180076220, 360152440, 720304880]

約数ペア:

[(1, 720304880), (2, 360152440), (4, 180076220), (5, 144060976), (8, 90038110), (10, 72030488), (16, 45019055), (20, 36015244), (40, 18007622), (80, 9003811), (1531, 470480), (3062, 235240), (5881, 122480), (6124, 117620), (7655, 94096), (11762, 61240), (12248, 58810), (15310, 47048), (23524, 30620), (24496, 29405)]