15678910780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{18481}}^1$

素因数の和:18767

約数の個数: 72

約数和(自身を含む): 35797268304

約数和(自身を除く): 20118357524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 251, 260, 338, 502, 676, 845, 1004, 1255, 1690, 2510, 3263, 3380, 5020, 6526, 13052, 16315, 18481, 32630, 36962, 42419, 65260, 73924, 84838, 92405, 169676, 184810, 212095, 240253, 369620, 424190, 480506, 848380, 961012, 1201265, 2402530, 3123289, 4638731, 4805060, 6246578, 9277462, 12493156, 15616445, 18554924, 23193655, 31232890, 46387310, 60303503, 62465780, 92774620, 120607006, 241214012, 301517515, 603035030, 783945539, 1206070060, 1567891078, 3135782156, 3919727695, 7839455390, 15678910780]

約数ペア:

[(1, 15678910780), (2, 7839455390), (4, 3919727695), (5, 3135782156), (10, 1567891078), (13, 1206070060), (20, 783945539), (26, 603035030), (52, 301517515), (65, 241214012), (130, 120607006), (169, 92774620), (251, 62465780), (260, 60303503), (338, 46387310), (502, 31232890), (676, 23193655), (845, 18554924), (1004, 15616445), (1255, 12493156), (1690, 9277462), (2510, 6246578), (3263, 4805060), (3380, 4638731), (5020, 3123289), (6526, 2402530), (13052, 1201265), (16315, 961012), (18481, 848380), (32630, 480506), (36962, 424190), (42419, 369620), (65260, 240253), (73924, 212095), (84838, 184810), (92405, 169676)]