218741640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 710640000

約数和(自身を除く): 491898360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 281, 312, 390, 499, 520, 562, 780, 843, 998, 1124, 1405, 1497, 1560, 1686, 1996, 2248, 2495, 2810, 2994, 3372, 3653, 3992, 4215, 4990, 5620, 5988, 6487, 6744, 7306, 7485, 8430, 9980, 10959, 11240, 11976, 12974, 14612, 14970, 16860, 18265, 19461, 19960, 21918, 25948, 29224, 29940, 32435, 33720, 36530, 38922, 43836, 51896, 54795, 59880, 64870, 73060, 77844, 87672, 97305, 109590, 129740, 140219, 146120, 155688, 194610, 219180, 259480, 280438, 389220, 420657, 438360, 560876, 701095, 778440, 841314, 1121752, 1402190, 1682628, 1822847, 2103285, 2804380, 3365256, 3645694, 4206570, 5468541, 5608760, 7291388, 8413140, 9114235, 10937082, 14582776, 16826280, 18228470, 21874164, 27342705, 36456940, 43748328, 54685410, 72913880, 109370820, 218741640]

約数ペア:

[(1, 218741640), (2, 109370820), (3, 72913880), (4, 54685410), (5, 43748328), (6, 36456940), (8, 27342705), (10, 21874164), (12, 18228470), (13, 16826280), (15, 14582776), (20, 10937082), (24, 9114235), (26, 8413140), (30, 7291388), (39, 5608760), (40, 5468541), (52, 4206570), (60, 3645694), (65, 3365256), (78, 2804380), (104, 2103285), (120, 1822847), (130, 1682628), (156, 1402190), (195, 1121752), (260, 841314), (281, 778440), (312, 701095), (390, 560876), (499, 438360), (520, 420657), (562, 389220), (780, 280438), (843, 259480), (998, 219180), (1124, 194610), (1405, 155688), (1497, 146120), (1560, 140219), (1686, 129740), (1996, 109590), (2248, 97305), (2495, 87672), (2810, 77844), (2994, 73060), (3372, 64870), (3653, 59880), (3992, 54795), (4215, 51896), (4990, 43836), (5620, 38922), (5988, 36530), (6487, 33720), (6744, 32435), (7306, 29940), (7485, 29224), (8430, 25948), (9980, 21918), (10959, 19960), (11240, 19461), (11976, 18265), (12974, 16860), (14612, 14970)]