67731820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 159561360

約数和(自身を除く): 91829540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 580, 676, 691, 754, 845, 1382, 1508, 1690, 1885, 2764, 3380, 3455, 3770, 4901, 6910, 7540, 8983, 9802, 13820, 17966, 19604, 20039, 24505, 35932, 40078, 44915, 49010, 80156, 89830, 98020, 100195, 116779, 179660, 200390, 233558, 260507, 400780, 467116, 521014, 583895, 1042028, 1167790, 1302535, 2335580, 2605070, 3386591, 5210140, 6773182, 13546364, 16932955, 33865910, 67731820]

約数ペア:

[(1, 67731820), (2, 33865910), (4, 16932955), (5, 13546364), (10, 6773182), (13, 5210140), (20, 3386591), (26, 2605070), (29, 2335580), (52, 1302535), (58, 1167790), (65, 1042028), (116, 583895), (130, 521014), (145, 467116), (169, 400780), (260, 260507), (290, 233558), (338, 200390), (377, 179660), (580, 116779), (676, 100195), (691, 98020), (754, 89830), (845, 80156), (1382, 49010), (1508, 44915), (1690, 40078), (1885, 35932), (2764, 24505), (3380, 20039), (3455, 19604), (3770, 17966), (4901, 13820), (6910, 9802), (7540, 8983)]