64308440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{953}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 166224960

約数和(自身を除く): 101916520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 953, 964, 1205, 1687, 1906, 1928, 2410, 3374, 3812, 4765, 4820, 6671, 6748, 7624, 8435, 9530, 9640, 13342, 13496, 16870, 19060, 26684, 33355, 33740, 38120, 53368, 66710, 67480, 133420, 229673, 266840, 459346, 918692, 1148365, 1607711, 1837384, 2296730, 3215422, 4593460, 6430844, 8038555, 9186920, 12861688, 16077110, 32154220, 64308440]

約数ペア:

[(1, 64308440), (2, 32154220), (4, 16077110), (5, 12861688), (7, 9186920), (8, 8038555), (10, 6430844), (14, 4593460), (20, 3215422), (28, 2296730), (35, 1837384), (40, 1607711), (56, 1148365), (70, 918692), (140, 459346), (241, 266840), (280, 229673), (482, 133420), (953, 67480), (964, 66710), (1205, 53368), (1687, 38120), (1906, 33740), (1928, 33355), (2410, 26684), (3374, 19060), (3812, 16870), (4765, 13496), (4820, 13342), (6671, 9640), (6748, 9530), (7624, 8435)]