291334860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{539509}}^1$

素因数の和:539527

約数の個数: 48

約数和(自身を含む): 906376800

約数和(自身を除く): 615041940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 539509, 1079018, 1618527, 2158036, 2697545, 3237054, 4855581, 5395090, 6474108, 8092635, 9711162, 10790180, 14566743, 16185270, 19422324, 24277905, 29133486, 32370540, 48555810, 58266972, 72833715, 97111620, 145667430, 291334860]

約数ペア:

[(1, 291334860), (2, 145667430), (3, 97111620), (4, 72833715), (5, 58266972), (6, 48555810), (9, 32370540), (10, 29133486), (12, 24277905), (15, 19422324), (18, 16185270), (20, 14566743), (27, 10790180), (30, 9711162), (36, 8092635), (45, 6474108), (54, 5395090), (60, 4855581), (90, 3237054), (108, 2697545), (135, 2158036), (180, 1618527), (270, 1079018), (540, 539509)]