18453680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1114

約数の個数: 80

約数和(自身を含む): 50663424

約数和(自身を除く): 32209744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1063, 1085, 1240, 1736, 2126, 2170, 2480, 3472, 4252, 4340, 5315, 7441, 8504, 8680, 10630, 14882, 17008, 17360, 21260, 29764, 32953, 37205, 42520, 59528, 65906, 74410, 85040, 119056, 131812, 148820, 164765, 230671, 263624, 297640, 329530, 461342, 527248, 595280, 659060, 922684, 1153355, 1318120, 1845368, 2306710, 2636240, 3690736, 4613420, 9226840, 18453680]

約数ペア:

[(1, 18453680), (2, 9226840), (4, 4613420), (5, 3690736), (7, 2636240), (8, 2306710), (10, 1845368), (14, 1318120), (16, 1153355), (20, 922684), (28, 659060), (31, 595280), (35, 527248), (40, 461342), (56, 329530), (62, 297640), (70, 263624), (80, 230671), (112, 164765), (124, 148820), (140, 131812), (155, 119056), (217, 85040), (248, 74410), (280, 65906), (310, 59528), (434, 42520), (496, 37205), (560, 32953), (620, 29764), (868, 21260), (1063, 17360), (1085, 17008), (1240, 14882), (1736, 10630), (2126, 8680), (2170, 8504), (2480, 7441), (3472, 5315), (4252, 4340)]