72881460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2237}}^1$

素因数の和:2433

約数の個数: 72

約数和(自身を含む): 222394536

約数和(自身を除く): 149513076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2237, 2715, 3258, 3620, 4474, 5430, 6516, 6711, 8145, 8948, 10860, 11185, 13422, 16290, 20133, 22370, 26844, 32580, 33555, 40266, 44740, 67110, 80532, 100665, 134220, 201330, 402660, 404897, 809794, 1214691, 1619588, 2024485, 2429382, 3644073, 4048970, 4858764, 6073455, 7288146, 8097940, 12146910, 14576292, 18220365, 24293820, 36440730, 72881460]

約数ペア:

[(1, 72881460), (2, 36440730), (3, 24293820), (4, 18220365), (5, 14576292), (6, 12146910), (9, 8097940), (10, 7288146), (12, 6073455), (15, 4858764), (18, 4048970), (20, 3644073), (30, 2429382), (36, 2024485), (45, 1619588), (60, 1214691), (90, 809794), (180, 404897), (181, 402660), (362, 201330), (543, 134220), (724, 100665), (905, 80532), (1086, 67110), (1629, 44740), (1810, 40266), (2172, 33555), (2237, 32580), (2715, 26844), (3258, 22370), (3620, 20133), (4474, 16290), (5430, 13422), (6516, 11185), (6711, 10860), (8145, 8948)]