1373920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 3362688

約数和(自身を除く): 1988768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 277, 310, 496, 554, 620, 992, 1108, 1240, 1385, 2216, 2480, 2770, 4432, 4960, 5540, 8587, 8864, 11080, 17174, 22160, 34348, 42935, 44320, 68696, 85870, 137392, 171740, 274784, 343480, 686960, 1373920]

約数ペア:

[(1, 1373920), (2, 686960), (4, 343480), (5, 274784), (8, 171740), (10, 137392), (16, 85870), (20, 68696), (31, 44320), (32, 42935), (40, 34348), (62, 22160), (80, 17174), (124, 11080), (155, 8864), (160, 8587), (248, 5540), (277, 4960), (310, 4432), (496, 2770), (554, 2480), (620, 2216), (992, 1385), (1108, 1240)]