2397540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 6935040

約数和(自身を除く): 4537500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1289, 1860, 2578, 3867, 5156, 6445, 7734, 12890, 15468, 19335, 25780, 38670, 39959, 77340, 79918, 119877, 159836, 199795, 239754, 399590, 479508, 599385, 799180, 1198770, 2397540]

約数ペア:

[(1, 2397540), (2, 1198770), (3, 799180), (4, 599385), (5, 479508), (6, 399590), (10, 239754), (12, 199795), (15, 159836), (20, 119877), (30, 79918), (31, 77340), (60, 39959), (62, 38670), (93, 25780), (124, 19335), (155, 15468), (186, 12890), (310, 7734), (372, 6445), (465, 5156), (620, 3867), (930, 2578), (1289, 1860)]