1561380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 4463424

約数和(自身を除く): 2902044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 491, 530, 636, 795, 982, 1060, 1473, 1590, 1964, 2455, 2946, 3180, 4910, 5892, 7365, 9820, 14730, 26023, 29460, 52046, 78069, 104092, 130115, 156138, 260230, 312276, 390345, 520460, 780690, 1561380]

約数ペア:

[(1, 1561380), (2, 780690), (3, 520460), (4, 390345), (5, 312276), (6, 260230), (10, 156138), (12, 130115), (15, 104092), (20, 78069), (30, 52046), (53, 29460), (60, 26023), (106, 14730), (159, 9820), (212, 7365), (265, 5892), (318, 4910), (491, 3180), (530, 2946), (636, 2455), (795, 1964), (982, 1590), (1060, 1473)]