38180240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2351}}^1$

素因数の和:2400

約数の個数: 80

約数和(自身を含む): 104993280

約数和(自身を除く): 66813040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 2351, 3248, 4060, 4702, 8120, 9404, 11755, 16240, 16457, 18808, 23510, 32914, 37616, 47020, 65828, 68179, 82285, 94040, 131656, 136358, 164570, 188080, 263312, 272716, 329140, 340895, 477253, 545432, 658280, 681790, 954506, 1090864, 1316560, 1363580, 1909012, 2386265, 2727160, 3818024, 4772530, 5454320, 7636048, 9545060, 19090120, 38180240]

約数ペア:

[(1, 38180240), (2, 19090120), (4, 9545060), (5, 7636048), (7, 5454320), (8, 4772530), (10, 3818024), (14, 2727160), (16, 2386265), (20, 1909012), (28, 1363580), (29, 1316560), (35, 1090864), (40, 954506), (56, 681790), (58, 658280), (70, 545432), (80, 477253), (112, 340895), (116, 329140), (140, 272716), (145, 263312), (203, 188080), (232, 164570), (280, 136358), (290, 131656), (406, 94040), (464, 82285), (560, 68179), (580, 65828), (812, 47020), (1015, 37616), (1160, 32914), (1624, 23510), (2030, 18808), (2320, 16457), (2351, 16240), (3248, 11755), (4060, 9404), (4702, 8120)]