31494180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7393}}^1$

素因数の和:7476

約数の個数: 48

約数和(自身を含む): 89437824

約数和(自身を除く): 57943644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7393, 14786, 22179, 29572, 36965, 44358, 73930, 88716, 110895, 147860, 221790, 443580, 524903, 1049806, 1574709, 2099612, 2624515, 3149418, 5249030, 6298836, 7873545, 10498060, 15747090, 31494180]

約数ペア:

[(1, 31494180), (2, 15747090), (3, 10498060), (4, 7873545), (5, 6298836), (6, 5249030), (10, 3149418), (12, 2624515), (15, 2099612), (20, 1574709), (30, 1049806), (60, 524903), (71, 443580), (142, 221790), (213, 147860), (284, 110895), (355, 88716), (426, 73930), (710, 44358), (852, 36965), (1065, 29572), (1420, 22179), (2130, 14786), (4260, 7393)]