90222540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21179}}^1$

素因数の和:21262

約数の個数: 48

約数和(自身を含む): 256193280

約数和(自身を除く): 165970740

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, 21179, 42358, 63537, 84716, 105895, 127074, 211790, 254148, 317685, 423580, 635370, 1270740, 1503709, 3007418, 4511127, 6014836, 7518545, 9022254, 15037090, 18044508, 22555635, 30074180, 45111270, 90222540]

約数ペア:

[(1, 90222540), (2, 45111270), (3, 30074180), (4, 22555635), (5, 18044508), (6, 15037090), (10, 9022254), (12, 7518545), (15, 6014836), (20, 4511127), (30, 3007418), (60, 1503709), (71, 1270740), (142, 635370), (213, 423580), (284, 317685), (355, 254148), (426, 211790), (710, 127074), (852, 105895), (1065, 84716), (1420, 63537), (2130, 42358), (4260, 21179)]