71260540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 167862240

約数和(自身を除く): 96601700

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, 727, 754, 845, 1454, 1508, 1690, 1885, 2908, 3380, 3635, 3770, 4901, 7270, 7540, 9451, 9802, 14540, 18902, 19604, 21083, 24505, 37804, 42166, 47255, 49010, 84332, 94510, 98020, 105415, 122863, 189020, 210830, 245726, 274079, 421660, 491452, 548158, 614315, 1096316, 1228630, 1370395, 2457260, 2740790, 3563027, 5481580, 7126054, 14252108, 17815135, 35630270, 71260540]

約数ペア:

[(1, 71260540), (2, 35630270), (4, 17815135), (5, 14252108), (10, 7126054), (13, 5481580), (20, 3563027), (26, 2740790), (29, 2457260), (52, 1370395), (58, 1228630), (65, 1096316), (116, 614315), (130, 548158), (145, 491452), (169, 421660), (260, 274079), (290, 245726), (338, 210830), (377, 189020), (580, 122863), (676, 105415), (727, 98020), (754, 94510), (845, 84332), (1454, 49010), (1508, 47255), (1690, 42166), (1885, 37804), (2908, 24505), (3380, 21083), (3635, 19604), (3770, 18902), (4901, 14540), (7270, 9802), (7540, 9451)]