1307240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2971}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 3209760

約数和(自身を除く): 1902520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2971, 5942, 11884, 14855, 23768, 29710, 32681, 59420, 65362, 118840, 130724, 163405, 261448, 326810, 653620, 1307240]

約数ペア:

[(1, 1307240), (2, 653620), (4, 326810), (5, 261448), (8, 163405), (10, 130724), (11, 118840), (20, 65362), (22, 59420), (40, 32681), (44, 29710), (55, 23768), (88, 14855), (110, 11884), (220, 5942), (440, 2971)]