520165575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 992347200

約数和(自身を除く): 472181625

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 239, 255, 425, 569, 717, 765, 1195, 1275, 1707, 2151, 2845, 3585, 3825, 4063, 5121, 5975, 8535, 9673, 10755, 12189, 14225, 17925, 20315, 25605, 29019, 36567, 42675, 48365, 53775, 60945, 87057, 101575, 128025, 135991, 145095, 182835, 241825, 304725, 407973, 435285, 679955, 725475, 914175, 1223919, 2039865, 2176425, 2311847, 3399775, 6119595, 6935541, 10199325, 11559235, 20806623, 30597975, 34677705, 57796175, 104033115, 173388525, 520165575]

約数ペア:

[(1, 520165575), (3, 173388525), (5, 104033115), (9, 57796175), (15, 34677705), (17, 30597975), (25, 20806623), (45, 11559235), (51, 10199325), (75, 6935541), (85, 6119595), (153, 3399775), (225, 2311847), (239, 2176425), (255, 2039865), (425, 1223919), (569, 914175), (717, 725475), (765, 679955), (1195, 435285), (1275, 407973), (1707, 304725), (2151, 241825), (2845, 182835), (3585, 145095), (3825, 135991), (4063, 128025), (5121, 101575), (5975, 87057), (8535, 60945), (9673, 53775), (10755, 48365), (12189, 42675), (14225, 36567), (17925, 29019), (20315, 25605)]