31895460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2243}}^1$

素因数の和:2337

約数の個数: 72

約数和(自身を含む): 98017920

約数和(自身を除く): 66122460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2243, 2370, 2844, 3555, 4486, 4740, 6729, 7110, 8972, 11215, 13458, 14220, 20187, 22430, 26916, 33645, 40374, 44860, 67290, 80748, 100935, 134580, 177197, 201870, 354394, 403740, 531591, 708788, 885985, 1063182, 1594773, 1771970, 2126364, 2657955, 3189546, 3543940, 5315910, 6379092, 7973865, 10631820, 15947730, 31895460]

約数ペア:

[(1, 31895460), (2, 15947730), (3, 10631820), (4, 7973865), (5, 6379092), (6, 5315910), (9, 3543940), (10, 3189546), (12, 2657955), (15, 2126364), (18, 1771970), (20, 1594773), (30, 1063182), (36, 885985), (45, 708788), (60, 531591), (79, 403740), (90, 354394), (158, 201870), (180, 177197), (237, 134580), (316, 100935), (395, 80748), (474, 67290), (711, 44860), (790, 40374), (948, 33645), (1185, 26916), (1422, 22430), (1580, 20187), (2243, 14220), (2370, 13458), (2844, 11215), (3555, 8972), (4486, 7110), (4740, 6729)]