131685680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2081}}^1$

素因数の和:2214

約数の個数: 80

約数和(自身を含む): 353173824

約数和(自身を除く): 221488144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1130, 1582, 1808, 2081, 2260, 3164, 3955, 4162, 4520, 6328, 7910, 8324, 9040, 10405, 12656, 14567, 15820, 16648, 20810, 29134, 31640, 33296, 41620, 58268, 63280, 72835, 83240, 116536, 145670, 166480, 233072, 235153, 291340, 470306, 582680, 940612, 1165360, 1175765, 1646071, 1881224, 2351530, 3292142, 3762448, 4703060, 6584284, 8230355, 9406120, 13168568, 16460710, 18812240, 26337136, 32921420, 65842840, 131685680]

約数ペア:

[(1, 131685680), (2, 65842840), (4, 32921420), (5, 26337136), (7, 18812240), (8, 16460710), (10, 13168568), (14, 9406120), (16, 8230355), (20, 6584284), (28, 4703060), (35, 3762448), (40, 3292142), (56, 2351530), (70, 1881224), (80, 1646071), (112, 1175765), (113, 1165360), (140, 940612), (226, 582680), (280, 470306), (452, 291340), (560, 235153), (565, 233072), (791, 166480), (904, 145670), (1130, 116536), (1582, 83240), (1808, 72835), (2081, 63280), (2260, 58268), (3164, 41620), (3955, 33296), (4162, 31640), (4520, 29134), (6328, 20810), (7910, 16648), (8324, 15820), (9040, 14567), (10405, 12656)]