15612340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 33997824

約数和(自身を除く): 18385484

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 191, 244, 268, 305, 335, 382, 610, 670, 764, 955, 1220, 1340, 1910, 3820, 4087, 8174, 11651, 12797, 16348, 20435, 23302, 25594, 40870, 46604, 51188, 58255, 63985, 81740, 116510, 127970, 233020, 255940, 780617, 1561234, 3122468, 3903085, 7806170, 15612340]

約数ペア:

[(1, 15612340), (2, 7806170), (4, 3903085), (5, 3122468), (10, 1561234), (20, 780617), (61, 255940), (67, 233020), (122, 127970), (134, 116510), (191, 81740), (244, 63985), (268, 58255), (305, 51188), (335, 46604), (382, 40870), (610, 25594), (670, 23302), (764, 20435), (955, 16348), (1220, 12797), (1340, 11651), (1910, 8174), (3820, 4087)]