7964040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 28800000

約数和(自身を除く): 20835960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 499, 532, 570, 665, 760, 798, 840, 998, 1064, 1140, 1330, 1497, 1596, 1995, 1996, 2280, 2495, 2660, 2994, 3192, 3493, 3990, 3992, 4990, 5320, 5988, 6986, 7485, 7980, 9481, 9980, 10479, 11976, 13972, 14970, 15960, 17465, 18962, 19960, 20958, 27944, 28443, 29940, 34930, 37924, 41916, 47405, 52395, 56886, 59880, 66367, 69860, 75848, 83832, 94810, 104790, 113772, 132734, 139720, 142215, 189620, 199101, 209580, 227544, 265468, 284430, 331835, 379240, 398202, 419160, 530936, 568860, 663670, 796404, 995505, 1137720, 1327340, 1592808, 1991010, 2654680, 3982020, 7964040]

約数ペア:

[(1, 7964040), (2, 3982020), (3, 2654680), (4, 1991010), (5, 1592808), (6, 1327340), (7, 1137720), (8, 995505), (10, 796404), (12, 663670), (14, 568860), (15, 530936), (19, 419160), (20, 398202), (21, 379240), (24, 331835), (28, 284430), (30, 265468), (35, 227544), (38, 209580), (40, 199101), (42, 189620), (56, 142215), (57, 139720), (60, 132734), (70, 113772), (76, 104790), (84, 94810), (95, 83832), (105, 75848), (114, 69860), (120, 66367), (133, 59880), (140, 56886), (152, 52395), (168, 47405), (190, 41916), (210, 37924), (228, 34930), (266, 29940), (280, 28443), (285, 27944), (380, 20958), (399, 19960), (420, 18962), (456, 17465), (499, 15960), (532, 14970), (570, 13972), (665, 11976), (760, 10479), (798, 9980), (840, 9481), (998, 7980), (1064, 7485), (1140, 6986), (1330, 5988), (1497, 5320), (1596, 4990), (1995, 3992), (1996, 3990), (2280, 3493), (2495, 3192), (2660, 2994)]