64651704

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 183321600

約数和(自身を除く): 118669896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 61, 78, 79, 86, 104, 122, 129, 156, 158, 172, 183, 237, 244, 258, 312, 316, 344, 366, 474, 488, 516, 559, 632, 732, 793, 948, 1027, 1032, 1118, 1464, 1586, 1677, 1896, 2054, 2236, 2379, 2623, 3081, 3172, 3354, 3397, 4108, 4472, 4758, 4819, 5246, 6162, 6344, 6708, 6794, 7869, 8216, 9516, 9638, 10191, 10492, 12324, 13416, 13588, 14457, 15738, 19032, 19276, 20382, 20984, 24648, 27176, 28914, 31476, 34099, 38552, 40764, 44161, 57828, 62647, 62952, 68198, 81528, 88322, 102297, 115656, 125294, 132483, 136396, 176644, 187941, 204594, 207217, 250588, 264966, 272792, 353288, 375882, 409188, 414434, 501176, 529932, 621651, 751764, 818376, 828868, 1059864, 1243302, 1503528, 1657736, 2486604, 2693821, 4973208, 5387642, 8081463, 10775284, 16162926, 21550568, 32325852, 64651704]

約数ペア:

[(1, 64651704), (2, 32325852), (3, 21550568), (4, 16162926), (6, 10775284), (8, 8081463), (12, 5387642), (13, 4973208), (24, 2693821), (26, 2486604), (39, 1657736), (43, 1503528), (52, 1243302), (61, 1059864), (78, 828868), (79, 818376), (86, 751764), (104, 621651), (122, 529932), (129, 501176), (156, 414434), (158, 409188), (172, 375882), (183, 353288), (237, 272792), (244, 264966), (258, 250588), (312, 207217), (316, 204594), (344, 187941), (366, 176644), (474, 136396), (488, 132483), (516, 125294), (559, 115656), (632, 102297), (732, 88322), (793, 81528), (948, 68198), (1027, 62952), (1032, 62647), (1118, 57828), (1464, 44161), (1586, 40764), (1677, 38552), (1896, 34099), (2054, 31476), (2236, 28914), (2379, 27176), (2623, 24648), (3081, 20984), (3172, 20382), (3354, 19276), (3397, 19032), (4108, 15738), (4472, 14457), (4758, 13588), (4819, 13416), (5246, 12324), (6162, 10492), (6344, 10191), (6708, 9638), (6794, 9516), (7869, 8216)]