38720640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 146488320

約数和(自身を除く): 107767680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 67, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 134, 140, 160, 168, 172, 192, 201, 210, 215, 224, 240, 258, 268, 280, 301, 320, 335, 336, 344, 384, 402, 420, 430, 448, 469, 480, 516, 536, 560, 602, 640, 645, 670, 672, 688, 804, 840, 860, 896, 903, 938, 960, 1005, 1032, 1072, 1120, 1204, 1290, 1340, 1344, 1376, 1407, 1505, 1608, 1680, 1720, 1806, 1876, 1920, 2010, 2064, 2144, 2240, 2345, 2408, 2580, 2680, 2688, 2752, 2814, 2881, 3010, 3216, 3360, 3440, 3612, 3752, 4020, 4128, 4288, 4480, 4515, 4690, 4816, 5160, 5360, 5504, 5628, 5762, 6020, 6432, 6720, 6880, 7035, 7224, 7504, 8040, 8256, 8576, 8643, 9030, 9380, 9632, 10320, 10720, 11256, 11524, 12040, 12864, 13440, 13760, 14070, 14405, 14448, 15008, 16080, 16512, 17286, 18060, 18760, 19264, 20167, 20640, 21440, 22512, 23048, 24080, 25728, 27520, 28140, 28810, 28896, 30016, 32160, 34572, 36120, 37520, 38528, 40334, 41280, 42880, 43215, 45024, 46096, 48160, 56280, 57620, 57792, 60032, 60501, 64320, 69144, 72240, 75040, 80668, 82560, 86430, 90048, 92192, 96320, 100835, 112560, 115240, 115584, 121002, 128640, 138288, 144480, 150080, 161336, 172860, 180096, 184384, 192640, 201670, 225120, 230480, 242004, 276576, 288960, 300160, 302505, 322672, 345720, 368768, 403340, 450240, 460960, 484008, 553152, 577920, 605010, 645344, 691440, 806680, 900480, 921920, 968016, 1106304, 1210020, 1290688, 1382880, 1613360, 1843840, 1936032, 2420040, 2581376, 2765760, 3226720, 3872064, 4840080, 5531520, 6453440, 7744128, 9680160, 12906880, 19360320, 38720640]

約数ペア:

[(1, 38720640), (2, 19360320), (3, 12906880), (4, 9680160), (5, 7744128), (6, 6453440), (7, 5531520), (8, 4840080), (10, 3872064), (12, 3226720), (14, 2765760), (15, 2581376), (16, 2420040), (20, 1936032), (21, 1843840), (24, 1613360), (28, 1382880), (30, 1290688), (32, 1210020), (35, 1106304), (40, 968016), (42, 921920), (43, 900480), (48, 806680), (56, 691440), (60, 645344), (64, 605010), (67, 577920), (70, 553152), (80, 484008), (84, 460960), (86, 450240), (96, 403340), (105, 368768), (112, 345720), (120, 322672), (128, 302505), (129, 300160), (134, 288960), (140, 276576), (160, 242004), (168, 230480), (172, 225120), (192, 201670), (201, 192640), (210, 184384), (215, 180096), (224, 172860), (240, 161336), (258, 150080), (268, 144480), (280, 138288), (301, 128640), (320, 121002), (335, 115584), (336, 115240), (344, 112560), (384, 100835), (402, 96320), (420, 92192), (430, 90048), (448, 86430), (469, 82560), (480, 80668), (516, 75040), (536, 72240), (560, 69144), (602, 64320), (640, 60501), (645, 60032), (670, 57792), (672, 57620), (688, 56280), (804, 48160), (840, 46096), (860, 45024), (896, 43215), (903, 42880), (938, 41280), (960, 40334), (1005, 38528), (1032, 37520), (1072, 36120), (1120, 34572), (1204, 32160), (1290, 30016), (1340, 28896), (1344, 28810), (1376, 28140), (1407, 27520), (1505, 25728), (1608, 24080), (1680, 23048), (1720, 22512), (1806, 21440), (1876, 20640), (1920, 20167), (2010, 19264), (2064, 18760), (2144, 18060), (2240, 17286), (2345, 16512), (2408, 16080), (2580, 15008), (2680, 14448), (2688, 14405), (2752, 14070), (2814, 13760), (2881, 13440), (3010, 12864), (3216, 12040), (3360, 11524), (3440, 11256), (3612, 10720), (3752, 10320), (4020, 9632), (4128, 9380), (4288, 9030), (4480, 8643), (4515, 8576), (4690, 8256), (4816, 8040), (5160, 7504), (5360, 7224), (5504, 7035), (5628, 6880), (5762, 6720), (6020, 6432)]