248052840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 256

約数和(自身を含む): 891371520

約数和(自身を除く): 643318680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 61, 70, 84, 94, 103, 105, 120, 122, 140, 141, 168, 183, 188, 206, 210, 235, 244, 280, 282, 305, 309, 329, 366, 376, 412, 420, 427, 470, 488, 515, 564, 610, 618, 658, 705, 721, 732, 824, 840, 854, 915, 940, 987, 1030, 1128, 1220, 1236, 1281, 1316, 1410, 1442, 1464, 1545, 1645, 1708, 1830, 1880, 1974, 2060, 2135, 2163, 2440, 2472, 2562, 2632, 2820, 2867, 2884, 3090, 3290, 3416, 3605, 3660, 3948, 4120, 4270, 4326, 4841, 4935, 5124, 5640, 5734, 5768, 6180, 6283, 6405, 6580, 7210, 7320, 7896, 8540, 8601, 8652, 9682, 9870, 10248, 10815, 11468, 12360, 12566, 12810, 13160, 14335, 14420, 14523, 17080, 17202, 17304, 18849, 19364, 19740, 20069, 21630, 22936, 24205, 25132, 25620, 28670, 28840, 29046, 31415, 33887, 34404, 37698, 38728, 39480, 40138, 43005, 43260, 43981, 48410, 50264, 51240, 57340, 58092, 60207, 62830, 67774, 68808, 72615, 75396, 80276, 86010, 86520, 87962, 94245, 96820, 100345, 101661, 114680, 116184, 120414, 125660, 131943, 135548, 145230, 150792, 160552, 169435, 172020, 175924, 188490, 193640, 200690, 203322, 219905, 240828, 251320, 263886, 271096, 290460, 295301, 301035, 338870, 344040, 351848, 376980, 401380, 406644, 439810, 481656, 508305, 527772, 580920, 590602, 602070, 659715, 677740, 753960, 802760, 813288, 879620, 885903, 1016610, 1055544, 1181204, 1204140, 1319430, 1355480, 1476505, 1759240, 1771806, 2033220, 2067107, 2362408, 2408280, 2638860, 2953010, 3543612, 4066440, 4134214, 4429515, 5277720, 5906020, 6201321, 7087224, 8268428, 8859030, 10335535, 11812040, 12402642, 16536856, 17718060, 20671070, 24805284, 31006605, 35436120, 41342140, 49610568, 62013210, 82684280, 124026420, 248052840]

約数ペア:

[(1, 248052840), (2, 124026420), (3, 82684280), (4, 62013210), (5, 49610568), (6, 41342140), (7, 35436120), (8, 31006605), (10, 24805284), (12, 20671070), (14, 17718060), (15, 16536856), (20, 12402642), (21, 11812040), (24, 10335535), (28, 8859030), (30, 8268428), (35, 7087224), (40, 6201321), (42, 5906020), (47, 5277720), (56, 4429515), (60, 4134214), (61, 4066440), (70, 3543612), (84, 2953010), (94, 2638860), (103, 2408280), (105, 2362408), (120, 2067107), (122, 2033220), (140, 1771806), (141, 1759240), (168, 1476505), (183, 1355480), (188, 1319430), (206, 1204140), (210, 1181204), (235, 1055544), (244, 1016610), (280, 885903), (282, 879620), (305, 813288), (309, 802760), (329, 753960), (366, 677740), (376, 659715), (412, 602070), (420, 590602), (427, 580920), (470, 527772), (488, 508305), (515, 481656), (564, 439810), (610, 406644), (618, 401380), (658, 376980), (705, 351848), (721, 344040), (732, 338870), (824, 301035), (840, 295301), (854, 290460), (915, 271096), (940, 263886), (987, 251320), (1030, 240828), (1128, 219905), (1220, 203322), (1236, 200690), (1281, 193640), (1316, 188490), (1410, 175924), (1442, 172020), (1464, 169435), (1545, 160552), (1645, 150792), (1708, 145230), (1830, 135548), (1880, 131943), (1974, 125660), (2060, 120414), (2135, 116184), (2163, 114680), (2440, 101661), (2472, 100345), (2562, 96820), (2632, 94245), (2820, 87962), (2867, 86520), (2884, 86010), (3090, 80276), (3290, 75396), (3416, 72615), (3605, 68808), (3660, 67774), (3948, 62830), (4120, 60207), (4270, 58092), (4326, 57340), (4841, 51240), (4935, 50264), (5124, 48410), (5640, 43981), (5734, 43260), (5768, 43005), (6180, 40138), (6283, 39480), (6405, 38728), (6580, 37698), (7210, 34404), (7320, 33887), (7896, 31415), (8540, 29046), (8601, 28840), (8652, 28670), (9682, 25620), (9870, 25132), (10248, 24205), (10815, 22936), (11468, 21630), (12360, 20069), (12566, 19740), (12810, 19364), (13160, 18849), (14335, 17304), (14420, 17202), (14523, 17080)]