64308920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 171763200

約数和(自身を除く): 107454280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 283, 299, 380, 437, 460, 494, 520, 566, 598, 760, 874, 920, 988, 1132, 1196, 1235, 1415, 1495, 1748, 1976, 2185, 2264, 2392, 2470, 2830, 2990, 3496, 3679, 4370, 4940, 5377, 5660, 5681, 5980, 6509, 7358, 8740, 9880, 10754, 11320, 11362, 11960, 13018, 14716, 17480, 18395, 21508, 22724, 26036, 26885, 28405, 29432, 32545, 36790, 43016, 45448, 52072, 53770, 56810, 65090, 69901, 73580, 84617, 107540, 113620, 123671, 130180, 139802, 147160, 169234, 215080, 227240, 247342, 260360, 279604, 338468, 349505, 423085, 494684, 559208, 618355, 676936, 699010, 846170, 989368, 1236710, 1398020, 1607723, 1692340, 2473420, 2796040, 3215446, 3384680, 4946840, 6430892, 8038615, 12861784, 16077230, 32154460, 64308920]

約数ペア:

[(1, 64308920), (2, 32154460), (4, 16077230), (5, 12861784), (8, 8038615), (10, 6430892), (13, 4946840), (19, 3384680), (20, 3215446), (23, 2796040), (26, 2473420), (38, 1692340), (40, 1607723), (46, 1398020), (52, 1236710), (65, 989368), (76, 846170), (92, 699010), (95, 676936), (104, 618355), (115, 559208), (130, 494684), (152, 423085), (184, 349505), (190, 338468), (230, 279604), (247, 260360), (260, 247342), (283, 227240), (299, 215080), (380, 169234), (437, 147160), (460, 139802), (494, 130180), (520, 123671), (566, 113620), (598, 107540), (760, 84617), (874, 73580), (920, 69901), (988, 65090), (1132, 56810), (1196, 53770), (1235, 52072), (1415, 45448), (1495, 43016), (1748, 36790), (1976, 32545), (2185, 29432), (2264, 28405), (2392, 26885), (2470, 26036), (2830, 22724), (2990, 21508), (3496, 18395), (3679, 17480), (4370, 14716), (4940, 13018), (5377, 11960), (5660, 11362), (5681, 11320), (5980, 10754), (6509, 9880), (7358, 8740)]