78674520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 245836800

約数和(自身を除く): 167162280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 79, 86, 120, 129, 158, 172, 193, 215, 237, 258, 316, 344, 386, 395, 430, 474, 516, 579, 632, 645, 772, 790, 860, 948, 965, 1032, 1158, 1185, 1290, 1544, 1580, 1720, 1896, 1930, 2316, 2370, 2580, 2895, 3160, 3397, 3860, 4632, 4740, 5160, 5790, 6794, 7720, 8299, 9480, 10191, 11580, 13588, 15247, 16598, 16985, 20382, 23160, 24897, 27176, 30494, 33196, 33970, 40764, 41495, 45741, 49794, 50955, 60988, 66392, 67940, 76235, 81528, 82990, 91482, 99588, 101910, 121976, 124485, 135880, 152470, 165980, 182964, 199176, 203820, 228705, 248970, 304940, 331960, 365928, 407640, 457410, 497940, 609880, 655621, 914820, 995880, 1311242, 1829640, 1966863, 2622484, 3278105, 3933726, 5244968, 6556210, 7867452, 9834315, 13112420, 15734904, 19668630, 26224840, 39337260, 78674520]

約数ペア:

[(1, 78674520), (2, 39337260), (3, 26224840), (4, 19668630), (5, 15734904), (6, 13112420), (8, 9834315), (10, 7867452), (12, 6556210), (15, 5244968), (20, 3933726), (24, 3278105), (30, 2622484), (40, 1966863), (43, 1829640), (60, 1311242), (79, 995880), (86, 914820), (120, 655621), (129, 609880), (158, 497940), (172, 457410), (193, 407640), (215, 365928), (237, 331960), (258, 304940), (316, 248970), (344, 228705), (386, 203820), (395, 199176), (430, 182964), (474, 165980), (516, 152470), (579, 135880), (632, 124485), (645, 121976), (772, 101910), (790, 99588), (860, 91482), (948, 82990), (965, 81528), (1032, 76235), (1158, 67940), (1185, 66392), (1290, 60988), (1544, 50955), (1580, 49794), (1720, 45741), (1896, 41495), (1930, 40764), (2316, 33970), (2370, 33196), (2580, 30494), (2895, 27176), (3160, 24897), (3397, 23160), (3860, 20382), (4632, 16985), (4740, 16598), (5160, 15247), (5790, 13588), (6794, 11580), (7720, 10191), (8299, 9480)]