90474960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19841}}^1$

素因数の和:19876

約数の個数: 80

約数和(自身を含む): 295248960

約数和(自身を除く): 204774000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 19841, 39682, 59523, 79364, 99205, 119046, 158728, 198410, 238092, 297615, 317456, 376979, 396820, 476184, 595230, 753958, 793640, 952368, 1130937, 1190460, 1507916, 1587280, 1884895, 2261874, 2380920, 3015832, 3769790, 4523748, 4761840, 5654685, 6031664, 7539580, 9047496, 11309370, 15079160, 18094992, 22618740, 30158320, 45237480, 90474960]

約数ペア:

[(1, 90474960), (2, 45237480), (3, 30158320), (4, 22618740), (5, 18094992), (6, 15079160), (8, 11309370), (10, 9047496), (12, 7539580), (15, 6031664), (16, 5654685), (19, 4761840), (20, 4523748), (24, 3769790), (30, 3015832), (38, 2380920), (40, 2261874), (48, 1884895), (57, 1587280), (60, 1507916), (76, 1190460), (80, 1130937), (95, 952368), (114, 793640), (120, 753958), (152, 595230), (190, 476184), (228, 396820), (240, 376979), (285, 317456), (304, 297615), (380, 238092), (456, 198410), (570, 158728), (760, 119046), (912, 99205), (1140, 79364), (1520, 59523), (2280, 39682), (4560, 19841)]