131128760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15107}}^1$

素因数の和:15156

約数の個数: 64

約数和(自身を含む): 348088320

約数和(自身を除く): 216959560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 15107, 30214, 60428, 75535, 105749, 120856, 151070, 211498, 302140, 422996, 468317, 528745, 604280, 845992, 936634, 1057490, 1873268, 2114980, 2341585, 3278219, 3746536, 4229960, 4683170, 6556438, 9366340, 13112876, 16391095, 18732680, 26225752, 32782190, 65564380, 131128760]

約数ペア:

[(1, 131128760), (2, 65564380), (4, 32782190), (5, 26225752), (7, 18732680), (8, 16391095), (10, 13112876), (14, 9366340), (20, 6556438), (28, 4683170), (31, 4229960), (35, 3746536), (40, 3278219), (56, 2341585), (62, 2114980), (70, 1873268), (124, 1057490), (140, 936634), (155, 845992), (217, 604280), (248, 528745), (280, 468317), (310, 422996), (434, 302140), (620, 211498), (868, 151070), (1085, 120856), (1240, 105749), (1736, 75535), (2170, 60428), (4340, 30214), (8680, 15107)]