442020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 1270080

約数和(自身を除く): 828060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 139, 159, 212, 265, 278, 318, 417, 530, 556, 636, 695, 795, 834, 1060, 1390, 1590, 1668, 2085, 2780, 3180, 4170, 7367, 8340, 14734, 22101, 29468, 36835, 44202, 73670, 88404, 110505, 147340, 221010, 442020]

約数ペア:

[(1, 442020), (2, 221010), (3, 147340), (4, 110505), (5, 88404), (6, 73670), (10, 44202), (12, 36835), (15, 29468), (20, 22101), (30, 14734), (53, 8340), (60, 7367), (106, 4170), (139, 3180), (159, 2780), (212, 2085), (265, 1668), (278, 1590), (318, 1390), (417, 1060), (530, 834), (556, 795), (636, 695)]