90305460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71671}}^1$

素因数の和:71693

約数の個数: 72

約数和(自身を含む): 313063296

約数和(自身を除く): 222757836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 71671, 143342, 215013, 286684, 358355, 430026, 501697, 645039, 716710, 860052, 1003394, 1075065, 1290078, 1433420, 1505091, 2006788, 2150130, 2508485, 2580156, 3010182, 3225195, 4300260, 4515273, 5016970, 6020364, 6450390, 7525455, 9030546, 10033940, 12900780, 15050910, 18061092, 22576365, 30101820, 45152730, 90305460]

約数ペア:

[(1, 90305460), (2, 45152730), (3, 30101820), (4, 22576365), (5, 18061092), (6, 15050910), (7, 12900780), (9, 10033940), (10, 9030546), (12, 7525455), (14, 6450390), (15, 6020364), (18, 5016970), (20, 4515273), (21, 4300260), (28, 3225195), (30, 3010182), (35, 2580156), (36, 2508485), (42, 2150130), (45, 2006788), (60, 1505091), (63, 1433420), (70, 1290078), (84, 1075065), (90, 1003394), (105, 860052), (126, 716710), (140, 645039), (180, 501697), (210, 430026), (252, 358355), (315, 286684), (420, 215013), (630, 143342), (1260, 71671)]