77850920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8969}}^1$

素因数の和:9018

約数の個数: 64

約数和(自身を含む): 206668800

約数和(自身を除く): 128817880

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, 8969, 17938, 35876, 44845, 62783, 71752, 89690, 125566, 179380, 251132, 278039, 313915, 358760, 502264, 556078, 627830, 1112156, 1255660, 1390195, 1946273, 2224312, 2511320, 2780390, 3892546, 5560780, 7785092, 9731365, 11121560, 15570184, 19462730, 38925460, 77850920]

約数ペア:

[(1, 77850920), (2, 38925460), (4, 19462730), (5, 15570184), (7, 11121560), (8, 9731365), (10, 7785092), (14, 5560780), (20, 3892546), (28, 2780390), (31, 2511320), (35, 2224312), (40, 1946273), (56, 1390195), (62, 1255660), (70, 1112156), (124, 627830), (140, 556078), (155, 502264), (217, 358760), (248, 313915), (280, 278039), (310, 251132), (434, 179380), (620, 125566), (868, 89690), (1085, 71752), (1240, 62783), (1736, 44845), (2170, 35876), (4340, 17938), (8680, 8969)]