7678890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2135

約数の個数: 48

約数和(自身を含む): 20461896

約数和(自身を除く): 12783006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 2081, 3690, 4162, 6243, 10405, 12486, 18729, 20810, 31215, 37458, 62430, 85321, 93645, 170642, 187290, 255963, 426605, 511926, 767889, 853210, 1279815, 1535778, 2559630, 3839445, 7678890]

約数ペア:

[(1, 7678890), (2, 3839445), (3, 2559630), (5, 1535778), (6, 1279815), (9, 853210), (10, 767889), (15, 511926), (18, 426605), (30, 255963), (41, 187290), (45, 170642), (82, 93645), (90, 85321), (123, 62430), (205, 37458), (246, 31215), (369, 20810), (410, 18729), (615, 12486), (738, 10405), (1230, 6243), (1845, 4162), (2081, 3690)]