68481820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 165473280

約数和(自身を除く): 96991460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 47, 55, 74, 94, 110, 148, 179, 185, 188, 220, 235, 358, 370, 407, 470, 517, 716, 740, 814, 895, 940, 1034, 1628, 1739, 1790, 1969, 2035, 2068, 2585, 3478, 3580, 3938, 4070, 5170, 6623, 6956, 7876, 8140, 8413, 8695, 9845, 10340, 13246, 16826, 17390, 19129, 19690, 26492, 33115, 33652, 34780, 38258, 39380, 42065, 66230, 72853, 76516, 84130, 92543, 95645, 132460, 145706, 168260, 185086, 191290, 291412, 311281, 364265, 370172, 382580, 462715, 622562, 728530, 925430, 1245124, 1457060, 1556405, 1850860, 3112810, 3424091, 6225620, 6848182, 13696364, 17120455, 34240910, 68481820]

約数ペア:

[(1, 68481820), (2, 34240910), (4, 17120455), (5, 13696364), (10, 6848182), (11, 6225620), (20, 3424091), (22, 3112810), (37, 1850860), (44, 1556405), (47, 1457060), (55, 1245124), (74, 925430), (94, 728530), (110, 622562), (148, 462715), (179, 382580), (185, 370172), (188, 364265), (220, 311281), (235, 291412), (358, 191290), (370, 185086), (407, 168260), (470, 145706), (517, 132460), (716, 95645), (740, 92543), (814, 84130), (895, 76516), (940, 72853), (1034, 66230), (1628, 42065), (1739, 39380), (1790, 38258), (1969, 34780), (2035, 33652), (2068, 33115), (2585, 26492), (3478, 19690), (3580, 19129), (3938, 17390), (4070, 16826), (5170, 13246), (6623, 10340), (6956, 9845), (7876, 8695), (8140, 8413)]