38343075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 70806480

約数和(自身を除く): 32463405

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 61, 75, 85, 87, 145, 183, 255, 289, 305, 425, 435, 493, 725, 867, 915, 1037, 1275, 1445, 1479, 1525, 1769, 2175, 2465, 3111, 4335, 4575, 5185, 5307, 7225, 7395, 8381, 8845, 12325, 15555, 17629, 21675, 25143, 25925, 26535, 30073, 36975, 41905, 44225, 52887, 77775, 88145, 90219, 125715, 132675, 150365, 209525, 264435, 440725, 451095, 511241, 628575, 751825, 1322175, 1533723, 2255475, 2556205, 7668615, 12781025, 38343075]

約数ペア:

[(1, 38343075), (3, 12781025), (5, 7668615), (15, 2556205), (17, 2255475), (25, 1533723), (29, 1322175), (51, 751825), (61, 628575), (75, 511241), (85, 451095), (87, 440725), (145, 264435), (183, 209525), (255, 150365), (289, 132675), (305, 125715), (425, 90219), (435, 88145), (493, 77775), (725, 52887), (867, 44225), (915, 41905), (1037, 36975), (1275, 30073), (1445, 26535), (1479, 25925), (1525, 25143), (1769, 21675), (2175, 17629), (2465, 15555), (3111, 12325), (4335, 8845), (4575, 8381), (5185, 7395), (5307, 7225)]