78900920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14831}}^1$

素因数の和:14868

約数の個数: 64

約数和(自身を含む): 213580800

約数和(自身を除く): 134679880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 14831, 29662, 59324, 74155, 103817, 118648, 148310, 207634, 281789, 296620, 415268, 519085, 563578, 593240, 830536, 1038170, 1127156, 1408945, 1972523, 2076340, 2254312, 2817890, 3945046, 4152680, 5635780, 7890092, 9862615, 11271560, 15780184, 19725230, 39450460, 78900920]

約数ペア:

[(1, 78900920), (2, 39450460), (4, 19725230), (5, 15780184), (7, 11271560), (8, 9862615), (10, 7890092), (14, 5635780), (19, 4152680), (20, 3945046), (28, 2817890), (35, 2254312), (38, 2076340), (40, 1972523), (56, 1408945), (70, 1127156), (76, 1038170), (95, 830536), (133, 593240), (140, 563578), (152, 519085), (190, 415268), (266, 296620), (280, 281789), (380, 207634), (532, 148310), (665, 118648), (760, 103817), (1064, 74155), (1330, 59324), (2660, 29662), (5320, 14831)]