18655920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{2879}}^1$

素因数の和:2904

約数の個数: 100

約数和(自身を含む): 64817280

約数和(自身を除く): 46161360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 2879, 3240, 5758, 6480, 8637, 11516, 14395, 17274, 23032, 25911, 28790, 34548, 43185, 46064, 51822, 57580, 69096, 77733, 86370, 103644, 115160, 129555, 138192, 155466, 172740, 207288, 230320, 233199, 259110, 310932, 345480, 388665, 414576, 466398, 518220, 621864, 690960, 777330, 932796, 1036440, 1165995, 1243728, 1554660, 1865592, 2072880, 2331990, 3109320, 3731184, 4663980, 6218640, 9327960, 18655920]

約数ペア:

[(1, 18655920), (2, 9327960), (3, 6218640), (4, 4663980), (5, 3731184), (6, 3109320), (8, 2331990), (9, 2072880), (10, 1865592), (12, 1554660), (15, 1243728), (16, 1165995), (18, 1036440), (20, 932796), (24, 777330), (27, 690960), (30, 621864), (36, 518220), (40, 466398), (45, 414576), (48, 388665), (54, 345480), (60, 310932), (72, 259110), (80, 233199), (81, 230320), (90, 207288), (108, 172740), (120, 155466), (135, 138192), (144, 129555), (162, 115160), (180, 103644), (216, 86370), (240, 77733), (270, 69096), (324, 57580), (360, 51822), (405, 46064), (432, 43185), (540, 34548), (648, 28790), (720, 25911), (810, 23032), (1080, 17274), (1296, 14395), (1620, 11516), (2160, 8637), (2879, 6480), (3240, 5758)]