12451980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 36771840

約数和(自身を除く): 24319860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 71, 74, 79, 111, 142, 148, 158, 185, 213, 222, 237, 284, 316, 355, 370, 395, 426, 444, 474, 555, 710, 740, 790, 852, 948, 1065, 1110, 1185, 1420, 1580, 2130, 2220, 2370, 2627, 2923, 4260, 4740, 5254, 5609, 5846, 7881, 8769, 10508, 11218, 11692, 13135, 14615, 15762, 16827, 17538, 22436, 26270, 28045, 29230, 31524, 33654, 35076, 39405, 43845, 52540, 56090, 58460, 67308, 78810, 84135, 87690, 112180, 157620, 168270, 175380, 207533, 336540, 415066, 622599, 830132, 1037665, 1245198, 2075330, 2490396, 3112995, 4150660, 6225990, 12451980]

約数ペア:

[(1, 12451980), (2, 6225990), (3, 4150660), (4, 3112995), (5, 2490396), (6, 2075330), (10, 1245198), (12, 1037665), (15, 830132), (20, 622599), (30, 415066), (37, 336540), (60, 207533), (71, 175380), (74, 168270), (79, 157620), (111, 112180), (142, 87690), (148, 84135), (158, 78810), (185, 67308), (213, 58460), (222, 56090), (237, 52540), (284, 43845), (316, 39405), (355, 35076), (370, 33654), (395, 31524), (426, 29230), (444, 28045), (474, 26270), (555, 22436), (710, 17538), (740, 16827), (790, 15762), (852, 14615), (948, 13135), (1065, 11692), (1110, 11218), (1185, 10508), (1420, 8769), (1580, 7881), (2130, 5846), (2220, 5609), (2370, 5254), (2627, 4740), (2923, 4260)]