90305920

素因数分解:

$2^7\times 5^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 217566000

約数和(自身を除く): 127260080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 298, 320, 596, 640, 745, 947, 1192, 1490, 1894, 2384, 2980, 3788, 4735, 4768, 5960, 7576, 9470, 9536, 11920, 15152, 18940, 19072, 23840, 30304, 37880, 47680, 60608, 75760, 95360, 121216, 141103, 151520, 282206, 303040, 564412, 606080, 705515, 1128824, 1411030, 2257648, 2822060, 4515296, 5644120, 9030592, 11288240, 18061184, 22576480, 45152960, 90305920]

約数ペア:

[(1, 90305920), (2, 45152960), (4, 22576480), (5, 18061184), (8, 11288240), (10, 9030592), (16, 5644120), (20, 4515296), (32, 2822060), (40, 2257648), (64, 1411030), (80, 1128824), (128, 705515), (149, 606080), (160, 564412), (298, 303040), (320, 282206), (596, 151520), (640, 141103), (745, 121216), (947, 95360), (1192, 75760), (1490, 60608), (1894, 47680), (2384, 37880), (2980, 30304), (3788, 23840), (4735, 19072), (4768, 18940), (5960, 15152), (7576, 11920), (9470, 9536)]