81523103620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1\times {\mathrm{16931}}^1$

素因数の和:17321

約数の個数: 96

約数和(自身を含む): 197800436736

約数和(自身を除く): 116277333116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 211, 326, 422, 652, 815, 844, 1055, 1141, 1477, 1630, 2110, 2282, 2954, 3260, 4220, 4564, 5705, 5908, 7385, 11410, 14770, 16931, 22820, 29540, 33862, 34393, 67724, 68786, 84655, 118517, 137572, 169310, 171965, 237034, 240751, 338620, 343930, 474068, 481502, 592585, 687860, 963004, 1185170, 1203755, 2370340, 2407510, 2759753, 3572441, 4815020, 5519506, 7144882, 11039012, 13798765, 14289764, 17862205, 19318271, 25007087, 27597530, 35724410, 38636542, 50014174, 55195060, 71448820, 77273084, 96591355, 100028348, 125035435, 193182710, 250070870, 386365420, 500141740, 582307883, 1164615766, 2329231532, 2911539415, 4076155181, 5823078830, 8152310362, 11646157660, 16304620724, 20380775905, 40761551810, 81523103620]

約数ペア:

[(1, 81523103620), (2, 40761551810), (4, 20380775905), (5, 16304620724), (7, 11646157660), (10, 8152310362), (14, 5823078830), (20, 4076155181), (28, 2911539415), (35, 2329231532), (70, 1164615766), (140, 582307883), (163, 500141740), (211, 386365420), (326, 250070870), (422, 193182710), (652, 125035435), (815, 100028348), (844, 96591355), (1055, 77273084), (1141, 71448820), (1477, 55195060), (1630, 50014174), (2110, 38636542), (2282, 35724410), (2954, 27597530), (3260, 25007087), (4220, 19318271), (4564, 17862205), (5705, 14289764), (5908, 13798765), (7385, 11039012), (11410, 7144882), (14770, 5519506), (16931, 4815020), (22820, 3572441), (29540, 2759753), (33862, 2407510), (34393, 2370340), (67724, 1203755), (68786, 1185170), (84655, 963004), (118517, 687860), (137572, 592585), (169310, 481502), (171965, 474068), (237034, 343930), (240751, 338620)]