31159920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 240

約数和(自身を含む): 112805280

約数和(自身を除く): 81645360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 33, 37, 40, 44, 48, 55, 58, 60, 66, 74, 80, 87, 88, 110, 111, 116, 120, 121, 132, 145, 148, 165, 174, 176, 185, 220, 222, 232, 240, 242, 264, 290, 296, 319, 330, 348, 363, 370, 407, 435, 440, 444, 464, 484, 528, 555, 580, 592, 605, 638, 660, 696, 726, 740, 814, 870, 880, 888, 957, 968, 1073, 1110, 1160, 1210, 1221, 1276, 1320, 1392, 1452, 1480, 1595, 1628, 1740, 1776, 1815, 1914, 1936, 2035, 2146, 2220, 2320, 2420, 2442, 2552, 2640, 2904, 2960, 3190, 3219, 3256, 3480, 3509, 3630, 3828, 4070, 4292, 4440, 4477, 4785, 4840, 4884, 5104, 5365, 5808, 6105, 6380, 6438, 6512, 6960, 7018, 7260, 7656, 8140, 8584, 8880, 8954, 9570, 9680, 9768, 10527, 10730, 11803, 12210, 12760, 12876, 13431, 14036, 14520, 15312, 16095, 16280, 17168, 17545, 17908, 19140, 19536, 21054, 21460, 22385, 23606, 24420, 25520, 25752, 26862, 28072, 29040, 32190, 32560, 35090, 35409, 35816, 38280, 42108, 42920, 44770, 47212, 48840, 51504, 52635, 53724, 56144, 59015, 64380, 67155, 70180, 70818, 71632, 76560, 84216, 85840, 89540, 94424, 97680, 105270, 107448, 118030, 128760, 129833, 134310, 140360, 141636, 168432, 177045, 179080, 188848, 210540, 214896, 236060, 257520, 259666, 268620, 280720, 283272, 354090, 358160, 389499, 421080, 472120, 519332, 537240, 566544, 649165, 708180, 778998, 842160, 944240, 1038664, 1074480, 1298330, 1416360, 1557996, 1947495, 2077328, 2596660, 2832720, 3115992, 3894990, 5193320, 6231984, 7789980, 10386640, 15579960, 31159920]

約数ペア:

[(1, 31159920), (2, 15579960), (3, 10386640), (4, 7789980), (5, 6231984), (6, 5193320), (8, 3894990), (10, 3115992), (11, 2832720), (12, 2596660), (15, 2077328), (16, 1947495), (20, 1557996), (22, 1416360), (24, 1298330), (29, 1074480), (30, 1038664), (33, 944240), (37, 842160), (40, 778998), (44, 708180), (48, 649165), (55, 566544), (58, 537240), (60, 519332), (66, 472120), (74, 421080), (80, 389499), (87, 358160), (88, 354090), (110, 283272), (111, 280720), (116, 268620), (120, 259666), (121, 257520), (132, 236060), (145, 214896), (148, 210540), (165, 188848), (174, 179080), (176, 177045), (185, 168432), (220, 141636), (222, 140360), (232, 134310), (240, 129833), (242, 128760), (264, 118030), (290, 107448), (296, 105270), (319, 97680), (330, 94424), (348, 89540), (363, 85840), (370, 84216), (407, 76560), (435, 71632), (440, 70818), (444, 70180), (464, 67155), (484, 64380), (528, 59015), (555, 56144), (580, 53724), (592, 52635), (605, 51504), (638, 48840), (660, 47212), (696, 44770), (726, 42920), (740, 42108), (814, 38280), (870, 35816), (880, 35409), (888, 35090), (957, 32560), (968, 32190), (1073, 29040), (1110, 28072), (1160, 26862), (1210, 25752), (1221, 25520), (1276, 24420), (1320, 23606), (1392, 22385), (1452, 21460), (1480, 21054), (1595, 19536), (1628, 19140), (1740, 17908), (1776, 17545), (1815, 17168), (1914, 16280), (1936, 16095), (2035, 15312), (2146, 14520), (2220, 14036), (2320, 13431), (2420, 12876), (2442, 12760), (2552, 12210), (2640, 11803), (2904, 10730), (2960, 10527), (3190, 9768), (3219, 9680), (3256, 9570), (3480, 8954), (3509, 8880), (3630, 8584), (3828, 8140), (4070, 7656), (4292, 7260), (4440, 7018), (4477, 6960), (4785, 6512), (4840, 6438), (4884, 6380), (5104, 6105), (5365, 5808)]