128468520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 429673140

約数和(自身を除く): 301204620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 193, 215, 258, 344, 360, 386, 387, 430, 516, 579, 645, 772, 774, 860, 965, 1032, 1158, 1290, 1544, 1548, 1720, 1737, 1849, 1930, 1935, 2316, 2580, 2895, 3096, 3474, 3698, 3860, 3870, 4632, 5160, 5547, 5790, 6948, 7396, 7720, 7740, 8299, 8685, 9245, 11094, 11580, 13896, 14792, 15480, 16598, 16641, 17370, 18490, 22188, 23160, 24897, 27735, 33196, 33282, 34740, 36980, 41495, 44376, 49794, 55470, 66392, 66564, 69480, 73960, 74691, 82990, 83205, 99588, 110940, 124485, 133128, 149382, 165980, 166410, 199176, 221880, 248970, 298764, 331960, 332820, 356857, 373455, 497940, 597528, 665640, 713714, 746910, 995880, 1070571, 1427428, 1493820, 1784285, 2141142, 2854856, 2987640, 3211713, 3568570, 4282284, 5352855, 6423426, 7137140, 8564568, 10705710, 12846852, 14274280, 16058565, 21411420, 25693704, 32117130, 42822840, 64234260, 128468520]

約数ペア:

[(1, 128468520), (2, 64234260), (3, 42822840), (4, 32117130), (5, 25693704), (6, 21411420), (8, 16058565), (9, 14274280), (10, 12846852), (12, 10705710), (15, 8564568), (18, 7137140), (20, 6423426), (24, 5352855), (30, 4282284), (36, 3568570), (40, 3211713), (43, 2987640), (45, 2854856), (60, 2141142), (72, 1784285), (86, 1493820), (90, 1427428), (120, 1070571), (129, 995880), (172, 746910), (180, 713714), (193, 665640), (215, 597528), (258, 497940), (344, 373455), (360, 356857), (386, 332820), (387, 331960), (430, 298764), (516, 248970), (579, 221880), (645, 199176), (772, 166410), (774, 165980), (860, 149382), (965, 133128), (1032, 124485), (1158, 110940), (1290, 99588), (1544, 83205), (1548, 82990), (1720, 74691), (1737, 73960), (1849, 69480), (1930, 66564), (1935, 66392), (2316, 55470), (2580, 49794), (2895, 44376), (3096, 41495), (3474, 36980), (3698, 34740), (3860, 33282), (3870, 33196), (4632, 27735), (5160, 24897), (5547, 23160), (5790, 22188), (6948, 18490), (7396, 17370), (7720, 16641), (7740, 16598), (8299, 15480), (8685, 14792), (9245, 13896), (11094, 11580)]