64609980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 186654720

約数和(自身を除く): 122044740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 127, 139, 183, 244, 254, 278, 305, 366, 381, 417, 508, 556, 610, 635, 695, 732, 762, 834, 915, 1220, 1270, 1390, 1524, 1668, 1830, 1905, 2085, 2540, 2780, 3660, 3810, 4170, 7620, 7747, 8340, 8479, 15494, 16958, 17653, 23241, 25437, 30988, 33916, 35306, 38735, 42395, 46482, 50874, 52959, 70612, 77470, 84790, 88265, 92964, 101748, 105918, 116205, 127185, 154940, 169580, 176530, 211836, 232410, 254370, 264795, 353060, 464820, 508740, 529590, 1059180, 1076833, 2153666, 3230499, 4307332, 5384165, 6460998, 10768330, 12921996, 16152495, 21536660, 32304990, 64609980]

約数ペア:

[(1, 64609980), (2, 32304990), (3, 21536660), (4, 16152495), (5, 12921996), (6, 10768330), (10, 6460998), (12, 5384165), (15, 4307332), (20, 3230499), (30, 2153666), (60, 1076833), (61, 1059180), (122, 529590), (127, 508740), (139, 464820), (183, 353060), (244, 264795), (254, 254370), (278, 232410), (305, 211836), (366, 176530), (381, 169580), (417, 154940), (508, 127185), (556, 116205), (610, 105918), (635, 101748), (695, 92964), (732, 88265), (762, 84790), (834, 77470), (915, 70612), (1220, 52959), (1270, 50874), (1390, 46482), (1524, 42395), (1668, 38735), (1830, 35306), (1905, 33916), (2085, 30988), (2540, 25437), (2780, 23241), (3660, 17653), (3810, 16958), (4170, 15494), (7620, 8479), (7747, 8340)]