31428120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 100569600

約数和(自身を除く): 69141480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 177, 184, 193, 230, 236, 276, 295, 345, 354, 386, 460, 472, 552, 579, 590, 690, 708, 772, 885, 920, 965, 1158, 1180, 1357, 1380, 1416, 1544, 1770, 1930, 2316, 2360, 2714, 2760, 2895, 3540, 3860, 4071, 4439, 4632, 5428, 5790, 6785, 7080, 7720, 8142, 8878, 10856, 11387, 11580, 13317, 13570, 16284, 17756, 20355, 22195, 22774, 23160, 26634, 27140, 32568, 34161, 35512, 40710, 44390, 45548, 53268, 54280, 56935, 66585, 68322, 81420, 88780, 91096, 106536, 113870, 133170, 136644, 162840, 170805, 177560, 227740, 261901, 266340, 273288, 341610, 455480, 523802, 532680, 683220, 785703, 1047604, 1309505, 1366440, 1571406, 2095208, 2619010, 3142812, 3928515, 5238020, 6285624, 7857030, 10476040, 15714060, 31428120]

約数ペア:

[(1, 31428120), (2, 15714060), (3, 10476040), (4, 7857030), (5, 6285624), (6, 5238020), (8, 3928515), (10, 3142812), (12, 2619010), (15, 2095208), (20, 1571406), (23, 1366440), (24, 1309505), (30, 1047604), (40, 785703), (46, 683220), (59, 532680), (60, 523802), (69, 455480), (92, 341610), (115, 273288), (118, 266340), (120, 261901), (138, 227740), (177, 177560), (184, 170805), (193, 162840), (230, 136644), (236, 133170), (276, 113870), (295, 106536), (345, 91096), (354, 88780), (386, 81420), (460, 68322), (472, 66585), (552, 56935), (579, 54280), (590, 53268), (690, 45548), (708, 44390), (772, 40710), (885, 35512), (920, 34161), (965, 32568), (1158, 27140), (1180, 26634), (1357, 23160), (1380, 22774), (1416, 22195), (1544, 20355), (1770, 17756), (1930, 16284), (2316, 13570), (2360, 13317), (2714, 11580), (2760, 11387), (2895, 10856), (3540, 8878), (3860, 8142), (4071, 7720), (4439, 7080), (4632, 6785), (5428, 5790)]