257681760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1525

約数の個数: 192

約数和(自身を含む): 945810432

約数和(自身を除く): 688128672

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, 48, 53, 56, 60, 70, 80, 84, 96, 105, 106, 112, 120, 140, 159, 160, 168, 210, 212, 224, 240, 265, 280, 318, 336, 371, 420, 424, 480, 530, 560, 636, 672, 742, 795, 840, 848, 1060, 1113, 1120, 1272, 1447, 1484, 1590, 1680, 1696, 1855, 2120, 2226, 2544, 2894, 2968, 3180, 3360, 3710, 4240, 4341, 4452, 5088, 5565, 5788, 5936, 6360, 7235, 7420, 8480, 8682, 8904, 10129, 11130, 11576, 11872, 12720, 14470, 14840, 17364, 17808, 20258, 21705, 22260, 23152, 25440, 28940, 29680, 30387, 34728, 35616, 40516, 43410, 44520, 46304, 50645, 57880, 59360, 60774, 69456, 76691, 81032, 86820, 89040, 101290, 115760, 121548, 138912, 151935, 153382, 162064, 173640, 178080, 202580, 230073, 231520, 243096, 303870, 306764, 324128, 347280, 383455, 405160, 460146, 486192, 536837, 607740, 613528, 694560, 766910, 810320, 920292, 972384, 1073674, 1150365, 1215480, 1227056, 1533820, 1610511, 1620640, 1840584, 2147348, 2300730, 2430960, 2454112, 2684185, 3067640, 3221022, 3681168, 4294696, 4601460, 4861920, 5368370, 6135280, 6442044, 7362336, 8052555, 8589392, 9202920, 10736740, 12270560, 12884088, 16105110, 17178784, 18405840, 21473480, 25768176, 32210220, 36811680, 42946960, 51536352, 64420440, 85893920, 128840880, 257681760]

約数ペア:

[(1, 257681760), (2, 128840880), (3, 85893920), (4, 64420440), (5, 51536352), (6, 42946960), (7, 36811680), (8, 32210220), (10, 25768176), (12, 21473480), (14, 18405840), (15, 17178784), (16, 16105110), (20, 12884088), (21, 12270560), (24, 10736740), (28, 9202920), (30, 8589392), (32, 8052555), (35, 7362336), (40, 6442044), (42, 6135280), (48, 5368370), (53, 4861920), (56, 4601460), (60, 4294696), (70, 3681168), (80, 3221022), (84, 3067640), (96, 2684185), (105, 2454112), (106, 2430960), (112, 2300730), (120, 2147348), (140, 1840584), (159, 1620640), (160, 1610511), (168, 1533820), (210, 1227056), (212, 1215480), (224, 1150365), (240, 1073674), (265, 972384), (280, 920292), (318, 810320), (336, 766910), (371, 694560), (420, 613528), (424, 607740), (480, 536837), (530, 486192), (560, 460146), (636, 405160), (672, 383455), (742, 347280), (795, 324128), (840, 306764), (848, 303870), (1060, 243096), (1113, 231520), (1120, 230073), (1272, 202580), (1447, 178080), (1484, 173640), (1590, 162064), (1680, 153382), (1696, 151935), (1855, 138912), (2120, 121548), (2226, 115760), (2544, 101290), (2894, 89040), (2968, 86820), (3180, 81032), (3360, 76691), (3710, 69456), (4240, 60774), (4341, 59360), (4452, 57880), (5088, 50645), (5565, 46304), (5788, 44520), (5936, 43410), (6360, 40516), (7235, 35616), (7420, 34728), (8480, 30387), (8682, 29680), (8904, 28940), (10129, 25440), (11130, 23152), (11576, 22260), (11872, 21705), (12720, 20258), (14470, 17808), (14840, 17364)]