2815760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 6665496

約数和(自身を除く): 3849736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 577, 610, 976, 1154, 1220, 2308, 2440, 2885, 4616, 4880, 5770, 9232, 11540, 23080, 35197, 46160, 70394, 140788, 175985, 281576, 351970, 563152, 703940, 1407880, 2815760]

約数ペア:

[(1, 2815760), (2, 1407880), (4, 703940), (5, 563152), (8, 351970), (10, 281576), (16, 175985), (20, 140788), (40, 70394), (61, 46160), (80, 35197), (122, 23080), (244, 11540), (305, 9232), (488, 5770), (577, 4880), (610, 4616), (976, 2885), (1154, 2440), (1220, 2308)]