12956020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 34836480

約数和(自身を除く): 21880460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 55, 70, 77, 94, 110, 140, 154, 179, 188, 220, 235, 308, 329, 358, 385, 470, 517, 658, 716, 770, 895, 940, 1034, 1253, 1316, 1540, 1645, 1790, 1969, 2068, 2506, 2585, 3290, 3580, 3619, 3938, 5012, 5170, 6265, 6580, 7238, 7876, 8413, 9845, 10340, 12530, 13783, 14476, 16826, 18095, 19690, 25060, 27566, 33652, 36190, 39380, 42065, 55132, 58891, 68915, 72380, 84130, 92543, 117782, 137830, 168260, 185086, 235564, 275660, 294455, 370172, 462715, 588910, 647801, 925430, 1177820, 1295602, 1850860, 2591204, 3239005, 6478010, 12956020]

約数ペア:

[(1, 12956020), (2, 6478010), (4, 3239005), (5, 2591204), (7, 1850860), (10, 1295602), (11, 1177820), (14, 925430), (20, 647801), (22, 588910), (28, 462715), (35, 370172), (44, 294455), (47, 275660), (55, 235564), (70, 185086), (77, 168260), (94, 137830), (110, 117782), (140, 92543), (154, 84130), (179, 72380), (188, 68915), (220, 58891), (235, 55132), (308, 42065), (329, 39380), (358, 36190), (385, 33652), (470, 27566), (517, 25060), (658, 19690), (716, 18095), (770, 16826), (895, 14476), (940, 13783), (1034, 12530), (1253, 10340), (1316, 9845), (1540, 8413), (1645, 7876), (1790, 7238), (1969, 6580), (2068, 6265), (2506, 5170), (2585, 5012), (3290, 3938), (3580, 3619)]