64707580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7577}}^1$

素因数の和:7654

約数の個数: 48

約数和(自身を含む): 157864896

約数和(自身を除く): 93157316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 7577, 8540, 15154, 30308, 37885, 53039, 75770, 106078, 151540, 212156, 265195, 462197, 530390, 924394, 1060780, 1848788, 2310985, 3235379, 4621970, 6470758, 9243940, 12941516, 16176895, 32353790, 64707580]

約数ペア:

[(1, 64707580), (2, 32353790), (4, 16176895), (5, 12941516), (7, 9243940), (10, 6470758), (14, 4621970), (20, 3235379), (28, 2310985), (35, 1848788), (61, 1060780), (70, 924394), (122, 530390), (140, 462197), (244, 265195), (305, 212156), (427, 151540), (610, 106078), (854, 75770), (1220, 53039), (1708, 37885), (2135, 30308), (4270, 15154), (7577, 8540)]