12980240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1$

素因数の和:1816

約数の個数: 80

約数和(自身を含む): 37164288

約数和(自身を除く): 24184048

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1783, 1820, 3566, 3640, 7132, 7280, 8915, 12481, 14264, 17830, 23179, 24962, 28528, 35660, 46358, 49924, 62405, 71320, 92716, 99848, 115895, 124810, 142640, 162253, 185432, 199696, 231790, 249620, 324506, 370864, 463580, 499240, 649012, 811265, 927160, 998480, 1298024, 1622530, 1854320, 2596048, 3245060, 6490120, 12980240]

約数ペア:

[(1, 12980240), (2, 6490120), (4, 3245060), (5, 2596048), (7, 1854320), (8, 1622530), (10, 1298024), (13, 998480), (14, 927160), (16, 811265), (20, 649012), (26, 499240), (28, 463580), (35, 370864), (40, 324506), (52, 249620), (56, 231790), (65, 199696), (70, 185432), (80, 162253), (91, 142640), (104, 124810), (112, 115895), (130, 99848), (140, 92716), (182, 71320), (208, 62405), (260, 49924), (280, 46358), (364, 35660), (455, 28528), (520, 24962), (560, 23179), (728, 17830), (910, 14264), (1040, 12481), (1456, 8915), (1783, 7280), (1820, 7132), (3566, 3640)]