12720381310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{55691}}^1$

素因数の和:55969

約数の個数: 64

約数和(自身を含む): 28293318144

約数和(自身を除く): 15572936834

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 251, 455, 502, 910, 1255, 1757, 2510, 3263, 3514, 6526, 8785, 16315, 17570, 22841, 32630, 45682, 55691, 111382, 114205, 228410, 278455, 389837, 556910, 723983, 779674, 1447966, 1949185, 3619915, 3898370, 5067881, 7239830, 10135762, 13978441, 25339405, 27956882, 50678810, 69892205, 97849087, 139784410, 181719733, 195698174, 363439466, 489245435, 908598665, 978490870, 1272038131, 1817197330, 2544076262, 6360190655, 12720381310]

約数ペア:

[(1, 12720381310), (2, 6360190655), (5, 2544076262), (7, 1817197330), (10, 1272038131), (13, 978490870), (14, 908598665), (26, 489245435), (35, 363439466), (65, 195698174), (70, 181719733), (91, 139784410), (130, 97849087), (182, 69892205), (251, 50678810), (455, 27956882), (502, 25339405), (910, 13978441), (1255, 10135762), (1757, 7239830), (2510, 5067881), (3263, 3898370), (3514, 3619915), (6526, 1949185), (8785, 1447966), (16315, 779674), (17570, 723983), (22841, 556910), (32630, 389837), (45682, 278455), (55691, 228410), (111382, 114205)]