31531380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3527}}^1$

素因数の和:3688

約数の個数: 48

約数和(自身を含む): 88905600

約数和(自身を除く): 57374220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2980, 3527, 4470, 7054, 8940, 10581, 14108, 17635, 21162, 35270, 42324, 52905, 70540, 105810, 211620, 525523, 1051046, 1576569, 2102092, 2627615, 3153138, 5255230, 6306276, 7882845, 10510460, 15765690, 31531380]

約数ペア:

[(1, 31531380), (2, 15765690), (3, 10510460), (4, 7882845), (5, 6306276), (6, 5255230), (10, 3153138), (12, 2627615), (15, 2102092), (20, 1576569), (30, 1051046), (60, 525523), (149, 211620), (298, 105810), (447, 70540), (596, 52905), (745, 42324), (894, 35270), (1490, 21162), (1788, 17635), (2235, 14108), (2980, 10581), (3527, 8940), (4470, 7054)]