81156750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 203860800

約数和(自身を除く): 122704050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 241, 250, 375, 449, 482, 723, 750, 898, 1205, 1347, 1446, 2245, 2410, 2694, 3615, 4490, 6025, 6735, 7230, 11225, 12050, 13470, 18075, 22450, 30125, 33675, 36150, 56125, 60250, 67350, 90375, 108209, 112250, 168375, 180750, 216418, 324627, 336750, 541045, 649254, 1082090, 1623135, 2705225, 3246270, 5410450, 8115675, 13526125, 16231350, 27052250, 40578375, 81156750]

約数ペア:

[(1, 81156750), (2, 40578375), (3, 27052250), (5, 16231350), (6, 13526125), (10, 8115675), (15, 5410450), (25, 3246270), (30, 2705225), (50, 1623135), (75, 1082090), (125, 649254), (150, 541045), (241, 336750), (250, 324627), (375, 216418), (449, 180750), (482, 168375), (723, 112250), (750, 108209), (898, 90375), (1205, 67350), (1347, 60250), (1446, 56125), (2245, 36150), (2410, 33675), (2694, 30125), (3615, 22450), (4490, 18075), (6025, 13470), (6735, 12050), (7230, 11225)]