1331279240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{6037}}^1$

素因数の和:6234

約数の個数: 64

約数和(自身を含む): 3097494000

約数和(自身を除く): 1766214760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 149, 185, 296, 298, 370, 596, 740, 745, 1192, 1480, 1490, 2980, 5513, 5960, 6037, 11026, 12074, 22052, 24148, 27565, 30185, 44104, 48296, 55130, 60370, 110260, 120740, 220520, 223369, 241480, 446738, 893476, 899513, 1116845, 1786952, 1799026, 2233690, 3598052, 4467380, 4497565, 7196104, 8934760, 8995130, 17990260, 33281981, 35980520, 66563962, 133127924, 166409905, 266255848, 332819810, 665639620, 1331279240]

約数ペア:

[(1, 1331279240), (2, 665639620), (4, 332819810), (5, 266255848), (8, 166409905), (10, 133127924), (20, 66563962), (37, 35980520), (40, 33281981), (74, 17990260), (148, 8995130), (149, 8934760), (185, 7196104), (296, 4497565), (298, 4467380), (370, 3598052), (596, 2233690), (740, 1799026), (745, 1786952), (1192, 1116845), (1480, 899513), (1490, 893476), (2980, 446738), (5513, 241480), (5960, 223369), (6037, 220520), (11026, 120740), (12074, 110260), (22052, 60370), (24148, 55130), (27565, 48296), (30185, 44104)]