72012940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 156177504

約数和(自身を除く): 84164564

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 881, 1220, 1340, 1762, 3524, 4087, 4405, 8174, 8810, 16348, 17620, 20435, 40870, 53741, 59027, 81740, 107482, 118054, 214964, 236108, 268705, 295135, 537410, 590270, 1074820, 1180540, 3600647, 7201294, 14402588, 18003235, 36006470, 72012940]

約数ペア:

[(1, 72012940), (2, 36006470), (4, 18003235), (5, 14402588), (10, 7201294), (20, 3600647), (61, 1180540), (67, 1074820), (122, 590270), (134, 537410), (244, 295135), (268, 268705), (305, 236108), (335, 214964), (610, 118054), (670, 107482), (881, 81740), (1220, 59027), (1340, 53741), (1762, 40870), (3524, 20435), (4087, 17620), (4405, 16348), (8174, 8810)]