28418280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21529}}^1$

素因数の和:21554

約数の個数: 64

約数和(自身を含む): 93009600

約数和(自身を除く): 64591320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21529, 43058, 64587, 86116, 107645, 129174, 172232, 215290, 236819, 258348, 322935, 430580, 473638, 516696, 645870, 710457, 861160, 947276, 1184095, 1291740, 1420914, 1894552, 2368190, 2583480, 2841828, 3552285, 4736380, 5683656, 7104570, 9472760, 14209140, 28418280]

約数ペア:

[(1, 28418280), (2, 14209140), (3, 9472760), (4, 7104570), (5, 5683656), (6, 4736380), (8, 3552285), (10, 2841828), (11, 2583480), (12, 2368190), (15, 1894552), (20, 1420914), (22, 1291740), (24, 1184095), (30, 947276), (33, 861160), (40, 710457), (44, 645870), (55, 516696), (60, 473638), (66, 430580), (88, 322935), (110, 258348), (120, 236819), (132, 215290), (165, 172232), (220, 129174), (264, 107645), (330, 86116), (440, 64587), (660, 43058), (1320, 21529)]