64868520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3889}}^1$

素因数の和:4042

約数の個数: 64

約数和(自身を含む): 196056000

約数和(自身を除く): 131187480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 3889, 4170, 5560, 7778, 8340, 11667, 15556, 16680, 19445, 23334, 31112, 38890, 46668, 58335, 77780, 93336, 116670, 155560, 233340, 466680, 540571, 1081142, 1621713, 2162284, 2702855, 3243426, 4324568, 5405710, 6486852, 8108565, 10811420, 12973704, 16217130, 21622840, 32434260, 64868520]

約数ペア:

[(1, 64868520), (2, 32434260), (3, 21622840), (4, 16217130), (5, 12973704), (6, 10811420), (8, 8108565), (10, 6486852), (12, 5405710), (15, 4324568), (20, 3243426), (24, 2702855), (30, 2162284), (40, 1621713), (60, 1081142), (120, 540571), (139, 466680), (278, 233340), (417, 155560), (556, 116670), (695, 93336), (834, 77780), (1112, 58335), (1390, 46668), (1668, 38890), (2085, 31112), (2780, 23334), (3336, 19445), (3889, 16680), (4170, 15556), (5560, 11667), (7778, 8340)]