239308020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:524

約数の個数: 240

約数和(自身を含む): 878169600

約数和(自身を除く): 638861580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 81, 84, 90, 94, 105, 108, 126, 135, 140, 141, 162, 180, 188, 189, 210, 235, 252, 270, 282, 315, 324, 329, 378, 405, 420, 423, 449, 470, 540, 564, 567, 630, 658, 705, 756, 810, 846, 898, 940, 945, 987, 1134, 1260, 1269, 1316, 1347, 1410, 1620, 1645, 1692, 1796, 1890, 1974, 2115, 2245, 2268, 2538, 2694, 2820, 2835, 2961, 3143, 3290, 3780, 3807, 3948, 4041, 4230, 4490, 4935, 5076, 5388, 5670, 5922, 6286, 6345, 6580, 6735, 7614, 8082, 8460, 8883, 8980, 9429, 9870, 11340, 11844, 12123, 12572, 12690, 13470, 14805, 15228, 15715, 16164, 17766, 18858, 19035, 19740, 20205, 21103, 24246, 25380, 26649, 26940, 28287, 29610, 31430, 35532, 36369, 37716, 38070, 40410, 42206, 44415, 47145, 48492, 53298, 56574, 59220, 60615, 62860, 63309, 72738, 76140, 80820, 84412, 84861, 88830, 94290, 105515, 106596, 113148, 121230, 126618, 133245, 141435, 145476, 147721, 169722, 177660, 181845, 188580, 189927, 211030, 242460, 253236, 254583, 266490, 282870, 295442, 316545, 339444, 363690, 379854, 422060, 424305, 443163, 509166, 532980, 565740, 569781, 590884, 633090, 727380, 738605, 759708, 848610, 886326, 949635, 1018332, 1139562, 1266180, 1272915, 1329489, 1477210, 1697220, 1709343, 1772652, 1899270, 2215815, 2279124, 2545830, 2658978, 2848905, 2954420, 3418686, 3798540, 3988467, 4431630, 5091660, 5317956, 5697810, 6647445, 6837372, 7976934, 8546715, 8863260, 11395620, 11965401, 13294890, 15953868, 17093430, 19942335, 23930802, 26589780, 34186860, 39884670, 47861604, 59827005, 79769340, 119654010, 239308020]

約数ペア:

[(1, 239308020), (2, 119654010), (3, 79769340), (4, 59827005), (5, 47861604), (6, 39884670), (7, 34186860), (9, 26589780), (10, 23930802), (12, 19942335), (14, 17093430), (15, 15953868), (18, 13294890), (20, 11965401), (21, 11395620), (27, 8863260), (28, 8546715), (30, 7976934), (35, 6837372), (36, 6647445), (42, 5697810), (45, 5317956), (47, 5091660), (54, 4431630), (60, 3988467), (63, 3798540), (70, 3418686), (81, 2954420), (84, 2848905), (90, 2658978), (94, 2545830), (105, 2279124), (108, 2215815), (126, 1899270), (135, 1772652), (140, 1709343), (141, 1697220), (162, 1477210), (180, 1329489), (188, 1272915), (189, 1266180), (210, 1139562), (235, 1018332), (252, 949635), (270, 886326), (282, 848610), (315, 759708), (324, 738605), (329, 727380), (378, 633090), (405, 590884), (420, 569781), (423, 565740), (449, 532980), (470, 509166), (540, 443163), (564, 424305), (567, 422060), (630, 379854), (658, 363690), (705, 339444), (756, 316545), (810, 295442), (846, 282870), (898, 266490), (940, 254583), (945, 253236), (987, 242460), (1134, 211030), (1260, 189927), (1269, 188580), (1316, 181845), (1347, 177660), (1410, 169722), (1620, 147721), (1645, 145476), (1692, 141435), (1796, 133245), (1890, 126618), (1974, 121230), (2115, 113148), (2245, 106596), (2268, 105515), (2538, 94290), (2694, 88830), (2820, 84861), (2835, 84412), (2961, 80820), (3143, 76140), (3290, 72738), (3780, 63309), (3807, 62860), (3948, 60615), (4041, 59220), (4230, 56574), (4490, 53298), (4935, 48492), (5076, 47145), (5388, 44415), (5670, 42206), (5922, 40410), (6286, 38070), (6345, 37716), (6580, 36369), (6735, 35532), (7614, 31430), (8082, 29610), (8460, 28287), (8883, 26940), (8980, 26649), (9429, 25380), (9870, 24246), (11340, 21103), (11844, 20205), (12123, 19740), (12572, 19035), (12690, 18858), (13470, 17766), (14805, 16164), (15228, 15715)]