7840020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3187}}^1$

素因数の和:3240

約数の個数: 48

約数和(自身を含む): 22494528

約数和(自身を除く): 14654508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 3187, 6374, 9561, 12748, 15935, 19122, 31870, 38244, 47805, 63740, 95610, 130667, 191220, 261334, 392001, 522668, 653335, 784002, 1306670, 1568004, 1960005, 2613340, 3920010, 7840020]

約数ペア:

[(1, 7840020), (2, 3920010), (3, 2613340), (4, 1960005), (5, 1568004), (6, 1306670), (10, 784002), (12, 653335), (15, 522668), (20, 392001), (30, 261334), (41, 191220), (60, 130667), (82, 95610), (123, 63740), (164, 47805), (205, 38244), (246, 31870), (410, 19122), (492, 15935), (615, 12748), (820, 9561), (1230, 6374), (2460, 3187)]