138474840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{467}}^1$

素因数の和:841

約数の個数: 128

約数和(自身を含む): 477135360

約数和(自身を除く): 338660520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 353, 420, 467, 706, 840, 934, 1059, 1401, 1412, 1765, 1868, 2118, 2335, 2471, 2802, 2824, 3269, 3530, 3736, 4236, 4670, 4942, 5295, 5604, 6538, 7005, 7060, 7413, 8472, 9340, 9807, 9884, 10590, 11208, 12355, 13076, 14010, 14120, 14826, 16345, 18680, 19614, 19768, 21180, 24710, 26152, 28020, 29652, 32690, 37065, 39228, 42360, 49035, 49420, 56040, 59304, 65380, 74130, 78456, 98070, 98840, 130760, 148260, 164851, 196140, 296520, 329702, 392280, 494553, 659404, 824255, 989106, 1153957, 1318808, 1648510, 1978212, 2307914, 2472765, 3297020, 3461871, 3956424, 4615828, 4945530, 5769785, 6594040, 6923742, 9231656, 9891060, 11539570, 13847484, 17309355, 19782120, 23079140, 27694968, 34618710, 46158280, 69237420, 138474840]

約数ペア:

[(1, 138474840), (2, 69237420), (3, 46158280), (4, 34618710), (5, 27694968), (6, 23079140), (7, 19782120), (8, 17309355), (10, 13847484), (12, 11539570), (14, 9891060), (15, 9231656), (20, 6923742), (21, 6594040), (24, 5769785), (28, 4945530), (30, 4615828), (35, 3956424), (40, 3461871), (42, 3297020), (56, 2472765), (60, 2307914), (70, 1978212), (84, 1648510), (105, 1318808), (120, 1153957), (140, 989106), (168, 824255), (210, 659404), (280, 494553), (353, 392280), (420, 329702), (467, 296520), (706, 196140), (840, 164851), (934, 148260), (1059, 130760), (1401, 98840), (1412, 98070), (1765, 78456), (1868, 74130), (2118, 65380), (2335, 59304), (2471, 56040), (2802, 49420), (2824, 49035), (3269, 42360), (3530, 39228), (3736, 37065), (4236, 32690), (4670, 29652), (4942, 28020), (5295, 26152), (5604, 24710), (6538, 21180), (7005, 19768), (7060, 19614), (7413, 18680), (8472, 16345), (9340, 14826), (9807, 14120), (9884, 14010), (10590, 13076), (11208, 12355)]