87628720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 213334560

約数和(自身を除く): 125705840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 107, 116, 145, 214, 232, 290, 353, 428, 464, 535, 580, 706, 856, 1070, 1160, 1412, 1712, 1765, 2140, 2320, 2824, 3103, 3530, 4280, 5648, 6206, 7060, 8560, 10237, 12412, 14120, 15515, 20474, 24824, 28240, 31030, 37771, 40948, 49648, 51185, 62060, 75542, 81896, 102370, 124120, 151084, 163792, 188855, 204740, 248240, 302168, 377710, 409480, 604336, 755420, 818960, 1095359, 1510840, 2190718, 3021680, 4381436, 5476795, 8762872, 10953590, 17525744, 21907180, 43814360, 87628720]

約数ペア:

[(1, 87628720), (2, 43814360), (4, 21907180), (5, 17525744), (8, 10953590), (10, 8762872), (16, 5476795), (20, 4381436), (29, 3021680), (40, 2190718), (58, 1510840), (80, 1095359), (107, 818960), (116, 755420), (145, 604336), (214, 409480), (232, 377710), (290, 302168), (353, 248240), (428, 204740), (464, 188855), (535, 163792), (580, 151084), (706, 124120), (856, 102370), (1070, 81896), (1160, 75542), (1412, 62060), (1712, 51185), (1765, 49648), (2140, 40948), (2320, 37771), (2824, 31030), (3103, 28240), (3530, 24824), (4280, 20474), (5648, 15515), (6206, 14120), (7060, 12412), (8560, 10237)]