221576220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39709}}^1$

素因数の和:39755

約数の個数: 72

約数和(自身を含む): 693813120

約数和(自身を除く): 472236900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39709, 79418, 119127, 158836, 198545, 238254, 357381, 397090, 476508, 595635, 714762, 794180, 1191270, 1230979, 1429524, 1786905, 2382540, 2461958, 3573810, 3692937, 4923916, 6154895, 7147620, 7385874, 11078811, 12309790, 14771748, 18464685, 22157622, 24619580, 36929370, 44315244, 55394055, 73858740, 110788110, 221576220]

約数ペア:

[(1, 221576220), (2, 110788110), (3, 73858740), (4, 55394055), (5, 44315244), (6, 36929370), (9, 24619580), (10, 22157622), (12, 18464685), (15, 14771748), (18, 12309790), (20, 11078811), (30, 7385874), (31, 7147620), (36, 6154895), (45, 4923916), (60, 3692937), (62, 3573810), (90, 2461958), (93, 2382540), (124, 1786905), (155, 1429524), (180, 1230979), (186, 1191270), (279, 794180), (310, 714762), (372, 595635), (465, 476508), (558, 397090), (620, 357381), (930, 238254), (1116, 198545), (1395, 158836), (1860, 119127), (2790, 79418), (5580, 39709)]