390795720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3347}}^1$

素因数の和:3507

約数の個数: 128

約数和(自身を含む): 1349913600

約数和(自身を除く): 959117880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1668, 1946, 2085, 2780, 2919, 3336, 3347, 3892, 4170, 4865, 5560, 5838, 6694, 7784, 8340, 9730, 10041, 11676, 13388, 14595, 16680, 16735, 19460, 20082, 23352, 23429, 26776, 29190, 33470, 38920, 40164, 46858, 50205, 58380, 66940, 70287, 80328, 93716, 100410, 116760, 117145, 133880, 140574, 187432, 200820, 234290, 281148, 351435, 401640, 465233, 468580, 562296, 702870, 930466, 937160, 1395699, 1405740, 1860932, 2326165, 2791398, 2811480, 3256631, 3721864, 4652330, 5582796, 6513262, 6978495, 9304660, 9769893, 11165592, 13026524, 13956990, 16283155, 18609320, 19539786, 26053048, 27913980, 32566310, 39079572, 48849465, 55827960, 65132620, 78159144, 97698930, 130265240, 195397860, 390795720]

約数ペア:

[(1, 390795720), (2, 195397860), (3, 130265240), (4, 97698930), (5, 78159144), (6, 65132620), (7, 55827960), (8, 48849465), (10, 39079572), (12, 32566310), (14, 27913980), (15, 26053048), (20, 19539786), (21, 18609320), (24, 16283155), (28, 13956990), (30, 13026524), (35, 11165592), (40, 9769893), (42, 9304660), (56, 6978495), (60, 6513262), (70, 5582796), (84, 4652330), (105, 3721864), (120, 3256631), (139, 2811480), (140, 2791398), (168, 2326165), (210, 1860932), (278, 1405740), (280, 1395699), (417, 937160), (420, 930466), (556, 702870), (695, 562296), (834, 468580), (840, 465233), (973, 401640), (1112, 351435), (1390, 281148), (1668, 234290), (1946, 200820), (2085, 187432), (2780, 140574), (2919, 133880), (3336, 117145), (3347, 116760), (3892, 100410), (4170, 93716), (4865, 80328), (5560, 70287), (5838, 66940), (6694, 58380), (7784, 50205), (8340, 46858), (9730, 40164), (10041, 38920), (11676, 33470), (13388, 29190), (14595, 26776), (16680, 23429), (16735, 23352), (19460, 20082)]