2021208120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:747

約数の個数: 256

約数和(自身を含む): 7002547200

約数和(自身を除く): 4981339080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 71, 72, 86, 90, 108, 120, 129, 135, 142, 172, 180, 213, 215, 216, 258, 270, 284, 344, 355, 360, 387, 426, 430, 516, 540, 568, 613, 639, 645, 710, 774, 852, 860, 1032, 1065, 1080, 1161, 1226, 1278, 1290, 1420, 1548, 1704, 1720, 1839, 1917, 1935, 2130, 2322, 2452, 2556, 2580, 2840, 3053, 3065, 3096, 3195, 3678, 3834, 3870, 4260, 4644, 4904, 5112, 5160, 5517, 5805, 6106, 6130, 6390, 7356, 7668, 7740, 8520, 9159, 9195, 9288, 9585, 11034, 11610, 12212, 12260, 12780, 14712, 15265, 15336, 15480, 16551, 18318, 18390, 19170, 22068, 23220, 24424, 24520, 25560, 26359, 27477, 27585, 30530, 33102, 36636, 36780, 38340, 43523, 44136, 45795, 46440, 52718, 54954, 55170, 61060, 66204, 73272, 73560, 76680, 79077, 82431, 82755, 87046, 91590, 105436, 109908, 110340, 122120, 130569, 131795, 132408, 137385, 158154, 164862, 165510, 174092, 183180, 210872, 217615, 219816, 220680, 237231, 261138, 263590, 274770, 316308, 329724, 331020, 348184, 366360, 391707, 395385, 412155, 435230, 474462, 522276, 527180, 549540, 632616, 652845, 659448, 662040, 711693, 783414, 790770, 824310, 870460, 948924, 1044552, 1054360, 1099080, 1175121, 1186155, 1305690, 1423386, 1566828, 1581540, 1648620, 1740920, 1871489, 1897848, 1958535, 2350242, 2372310, 2611380, 2846772, 3133656, 3163080, 3297240, 3558465, 3742978, 3917070, 4700484, 4744620, 5222760, 5614467, 5693544, 5875605, 7116930, 7485956, 7834140, 9357445, 9400968, 9489240, 11228934, 11751210, 14233860, 14971912, 15668280, 16843401, 18714890, 22457868, 23502420, 28072335, 28467720, 33686802, 37429780, 44915736, 47004840, 50530203, 56144670, 67373604, 74859560, 84217005, 101060406, 112289340, 134747208, 168434010, 202120812, 224578680, 252651015, 336868020, 404241624, 505302030, 673736040, 1010604060, 2021208120]

約数ペア:

[(1, 2021208120), (2, 1010604060), (3, 673736040), (4, 505302030), (5, 404241624), (6, 336868020), (8, 252651015), (9, 224578680), (10, 202120812), (12, 168434010), (15, 134747208), (18, 112289340), (20, 101060406), (24, 84217005), (27, 74859560), (30, 67373604), (36, 56144670), (40, 50530203), (43, 47004840), (45, 44915736), (54, 37429780), (60, 33686802), (71, 28467720), (72, 28072335), (86, 23502420), (90, 22457868), (108, 18714890), (120, 16843401), (129, 15668280), (135, 14971912), (142, 14233860), (172, 11751210), (180, 11228934), (213, 9489240), (215, 9400968), (216, 9357445), (258, 7834140), (270, 7485956), (284, 7116930), (344, 5875605), (355, 5693544), (360, 5614467), (387, 5222760), (426, 4744620), (430, 4700484), (516, 3917070), (540, 3742978), (568, 3558465), (613, 3297240), (639, 3163080), (645, 3133656), (710, 2846772), (774, 2611380), (852, 2372310), (860, 2350242), (1032, 1958535), (1065, 1897848), (1080, 1871489), (1161, 1740920), (1226, 1648620), (1278, 1581540), (1290, 1566828), (1420, 1423386), (1548, 1305690), (1704, 1186155), (1720, 1175121), (1839, 1099080), (1917, 1054360), (1935, 1044552), (2130, 948924), (2322, 870460), (2452, 824310), (2556, 790770), (2580, 783414), (2840, 711693), (3053, 662040), (3065, 659448), (3096, 652845), (3195, 632616), (3678, 549540), (3834, 527180), (3870, 522276), (4260, 474462), (4644, 435230), (4904, 412155), (5112, 395385), (5160, 391707), (5517, 366360), (5805, 348184), (6106, 331020), (6130, 329724), (6390, 316308), (7356, 274770), (7668, 263590), (7740, 261138), (8520, 237231), (9159, 220680), (9195, 219816), (9288, 217615), (9585, 210872), (11034, 183180), (11610, 174092), (12212, 165510), (12260, 164862), (12780, 158154), (14712, 137385), (15265, 132408), (15336, 131795), (15480, 130569), (16551, 122120), (18318, 110340), (18390, 109908), (19170, 105436), (22068, 91590), (23220, 87046), (24424, 82755), (24520, 82431), (25560, 79077), (26359, 76680), (27477, 73560), (27585, 73272), (30530, 66204), (33102, 61060), (36636, 55170), (36780, 54954), (38340, 52718), (43523, 46440), (44136, 45795)]