680697180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{47869}}^1$

素因数の和:47963

約数の個数: 72

約数和(自身を含む): 2090961600

約数和(自身を除く): 1410264420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 47869, 95738, 143607, 191476, 239345, 287214, 430821, 478690, 574428, 718035, 861642, 957380, 1436070, 1723284, 2154105, 2872140, 3781651, 4308210, 7563302, 8616420, 11344953, 15126604, 18908255, 22689906, 34034859, 37816510, 45379812, 56724765, 68069718, 75633020, 113449530, 136139436, 170174295, 226899060, 340348590, 680697180]

約数ペア:

[(1, 680697180), (2, 340348590), (3, 226899060), (4, 170174295), (5, 136139436), (6, 113449530), (9, 75633020), (10, 68069718), (12, 56724765), (15, 45379812), (18, 37816510), (20, 34034859), (30, 22689906), (36, 18908255), (45, 15126604), (60, 11344953), (79, 8616420), (90, 7563302), (158, 4308210), (180, 3781651), (237, 2872140), (316, 2154105), (395, 1723284), (474, 1436070), (711, 957380), (790, 861642), (948, 718035), (1185, 574428), (1422, 478690), (1580, 430821), (2370, 287214), (2844, 239345), (3555, 191476), (4740, 143607), (7110, 95738), (14220, 47869)]