2720396760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{5107}}^1$

素因数の和:5337

約数の個数: 128

約数和(自身を含む): 8561825280

約数和(自身を除く): 5841428520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 193, 230, 276, 345, 386, 460, 552, 579, 690, 772, 920, 965, 1158, 1380, 1544, 1930, 2316, 2760, 2895, 3860, 4439, 4632, 5107, 5790, 7720, 8878, 10214, 11580, 13317, 15321, 17756, 20428, 22195, 23160, 25535, 26634, 30642, 35512, 40856, 44390, 51070, 53268, 61284, 66585, 76605, 88780, 102140, 106536, 117461, 122568, 133170, 153210, 177560, 204280, 234922, 266340, 306420, 352383, 469844, 532680, 587305, 612840, 704766, 939688, 985651, 1174610, 1409532, 1761915, 1971302, 2349220, 2819064, 2956953, 3523830, 3942604, 4698440, 4928255, 5913906, 7047660, 7885208, 9856510, 11827812, 14095320, 14784765, 19713020, 22669973, 23655624, 29569530, 39426040, 45339946, 59139060, 68009919, 90679892, 113349865, 118278120, 136019838, 181359784, 226699730, 272039676, 340049595, 453399460, 544079352, 680099190, 906798920, 1360198380, 2720396760]

約数ペア:

[(1, 2720396760), (2, 1360198380), (3, 906798920), (4, 680099190), (5, 544079352), (6, 453399460), (8, 340049595), (10, 272039676), (12, 226699730), (15, 181359784), (20, 136019838), (23, 118278120), (24, 113349865), (30, 90679892), (40, 68009919), (46, 59139060), (60, 45339946), (69, 39426040), (92, 29569530), (115, 23655624), (120, 22669973), (138, 19713020), (184, 14784765), (193, 14095320), (230, 11827812), (276, 9856510), (345, 7885208), (386, 7047660), (460, 5913906), (552, 4928255), (579, 4698440), (690, 3942604), (772, 3523830), (920, 2956953), (965, 2819064), (1158, 2349220), (1380, 1971302), (1544, 1761915), (1930, 1409532), (2316, 1174610), (2760, 985651), (2895, 939688), (3860, 704766), (4439, 612840), (4632, 587305), (5107, 532680), (5790, 469844), (7720, 352383), (8878, 306420), (10214, 266340), (11580, 234922), (13317, 204280), (15321, 177560), (17756, 153210), (20428, 133170), (22195, 122568), (23160, 117461), (25535, 106536), (26634, 102140), (30642, 88780), (35512, 76605), (40856, 66585), (44390, 61284), (51070, 53268)]