128840880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1523

約数の個数: 160

約数和(自身を含む): 465398784

約数和(自身を除く): 336557904

約数列:

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

約数ペア:

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