128028880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 351727488

約数和(自身を除く): 223698608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 167, 185, 259, 280, 296, 334, 370, 518, 560, 592, 668, 740, 835, 1036, 1169, 1295, 1336, 1369, 1480, 1670, 2072, 2338, 2590, 2672, 2738, 2960, 3340, 4144, 4676, 5180, 5476, 5845, 6179, 6680, 6845, 9352, 9583, 10360, 10952, 11690, 12358, 13360, 13690, 18704, 19166, 20720, 21904, 23380, 24716, 27380, 30895, 38332, 43253, 46760, 47915, 49432, 54760, 61790, 76664, 86506, 93520, 95830, 98864, 109520, 123580, 153328, 173012, 191660, 216265, 228623, 247160, 346024, 383320, 432530, 457246, 494320, 692048, 766640, 865060, 914492, 1143115, 1600361, 1730120, 1828984, 2286230, 3200722, 3460240, 3657968, 4572460, 6401444, 8001805, 9144920, 12802888, 16003610, 18289840, 25605776, 32007220, 64014440, 128028880]

約数ペア:

[(1, 128028880), (2, 64014440), (4, 32007220), (5, 25605776), (7, 18289840), (8, 16003610), (10, 12802888), (14, 9144920), (16, 8001805), (20, 6401444), (28, 4572460), (35, 3657968), (37, 3460240), (40, 3200722), (56, 2286230), (70, 1828984), (74, 1730120), (80, 1600361), (112, 1143115), (140, 914492), (148, 865060), (167, 766640), (185, 692048), (259, 494320), (280, 457246), (296, 432530), (334, 383320), (370, 346024), (518, 247160), (560, 228623), (592, 216265), (668, 191660), (740, 173012), (835, 153328), (1036, 123580), (1169, 109520), (1295, 98864), (1336, 95830), (1369, 93520), (1480, 86506), (1670, 76664), (2072, 61790), (2338, 54760), (2590, 49432), (2672, 47915), (2738, 46760), (2960, 43253), (3340, 38332), (4144, 30895), (4676, 27380), (5180, 24716), (5476, 23380), (5845, 21904), (6179, 20720), (6680, 19166), (6845, 18704), (9352, 13690), (9583, 13360), (10360, 12358), (10952, 11690)]