81961440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 288

約数和(自身を含む): 304166016

約数和(自身を除く): 222204576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 43, 44, 48, 55, 57, 60, 66, 76, 80, 86, 88, 95, 96, 110, 114, 120, 129, 132, 152, 160, 165, 172, 176, 190, 209, 215, 220, 228, 240, 258, 264, 285, 304, 330, 344, 352, 361, 380, 418, 430, 440, 456, 473, 480, 516, 528, 570, 608, 627, 645, 660, 688, 722, 760, 817, 836, 860, 880, 912, 946, 1032, 1045, 1056, 1083, 1140, 1254, 1290, 1320, 1376, 1419, 1444, 1520, 1634, 1672, 1720, 1760, 1805, 1824, 1892, 2064, 2090, 2166, 2280, 2365, 2451, 2508, 2580, 2640, 2838, 2888, 3040, 3135, 3268, 3344, 3440, 3610, 3784, 3971, 4085, 4128, 4180, 4332, 4560, 4730, 4902, 5016, 5160, 5280, 5415, 5676, 5776, 6270, 6536, 6688, 6880, 7095, 7220, 7568, 7942, 8170, 8360, 8664, 8987, 9120, 9460, 9804, 10032, 10320, 10830, 11352, 11552, 11913, 12255, 12540, 13072, 14190, 14440, 15136, 15523, 15884, 16340, 16720, 17328, 17974, 18920, 19608, 19855, 20064, 20640, 21660, 22704, 23826, 24510, 25080, 26144, 26961, 28380, 28880, 31046, 31768, 32680, 33440, 34656, 35948, 37840, 39216, 39710, 43320, 44935, 45408, 46569, 47652, 49020, 50160, 53922, 56760, 57760, 59565, 62092, 63536, 65360, 71896, 75680, 77615, 78432, 79420, 86640, 89870, 93138, 95304, 98040, 100320, 107844, 113520, 119130, 124184, 127072, 130720, 134805, 143792, 155230, 158840, 170753, 173280, 179740, 186276, 190608, 196080, 215688, 227040, 232845, 238260, 248368, 269610, 287584, 310460, 317680, 341506, 359480, 372552, 381216, 392160, 431376, 465690, 476520, 496736, 512259, 539220, 620920, 635360, 683012, 718960, 745104, 853765, 862752, 931380, 953040, 1024518, 1078440, 1241840, 1366024, 1437920, 1490208, 1707530, 1862760, 1906080, 2049036, 2156880, 2483680, 2561295, 2732048, 3415060, 3725520, 4098072, 4313760, 5122590, 5464096, 6830120, 7451040, 8196144, 10245180, 13660240, 16392288, 20490360, 27320480, 40980720, 81961440]

約数ペア:

[(1, 81961440), (2, 40980720), (3, 27320480), (4, 20490360), (5, 16392288), (6, 13660240), (8, 10245180), (10, 8196144), (11, 7451040), (12, 6830120), (15, 5464096), (16, 5122590), (19, 4313760), (20, 4098072), (22, 3725520), (24, 3415060), (30, 2732048), (32, 2561295), (33, 2483680), (38, 2156880), (40, 2049036), (43, 1906080), (44, 1862760), (48, 1707530), (55, 1490208), (57, 1437920), (60, 1366024), (66, 1241840), (76, 1078440), (80, 1024518), (86, 953040), (88, 931380), (95, 862752), (96, 853765), (110, 745104), (114, 718960), (120, 683012), (129, 635360), (132, 620920), (152, 539220), (160, 512259), (165, 496736), (172, 476520), (176, 465690), (190, 431376), (209, 392160), (215, 381216), (220, 372552), (228, 359480), (240, 341506), (258, 317680), (264, 310460), (285, 287584), (304, 269610), (330, 248368), (344, 238260), (352, 232845), (361, 227040), (380, 215688), (418, 196080), (430, 190608), (440, 186276), (456, 179740), (473, 173280), (480, 170753), (516, 158840), (528, 155230), (570, 143792), (608, 134805), (627, 130720), (645, 127072), (660, 124184), (688, 119130), (722, 113520), (760, 107844), (817, 100320), (836, 98040), (860, 95304), (880, 93138), (912, 89870), (946, 86640), (1032, 79420), (1045, 78432), (1056, 77615), (1083, 75680), (1140, 71896), (1254, 65360), (1290, 63536), (1320, 62092), (1376, 59565), (1419, 57760), (1444, 56760), (1520, 53922), (1634, 50160), (1672, 49020), (1720, 47652), (1760, 46569), (1805, 45408), (1824, 44935), (1892, 43320), (2064, 39710), (2090, 39216), (2166, 37840), (2280, 35948), (2365, 34656), (2451, 33440), (2508, 32680), (2580, 31768), (2640, 31046), (2838, 28880), (2888, 28380), (3040, 26961), (3135, 26144), (3268, 25080), (3344, 24510), (3440, 23826), (3610, 22704), (3784, 21660), (3971, 20640), (4085, 20064), (4128, 19855), (4180, 19608), (4332, 18920), (4560, 17974), (4730, 17328), (4902, 16720), (5016, 16340), (5160, 15884), (5280, 15523), (5415, 15136), (5676, 14440), (5776, 14190), (6270, 13072), (6536, 12540), (6688, 12255), (6880, 11913), (7095, 11552), (7220, 11352), (7568, 10830), (7942, 10320), (8170, 10032), (8360, 9804), (8664, 9460), (8987, 9120)]