28407060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14347}}^1$

素因数の和:14373

約数の個数: 72

約数和(自身を含む): 94008096

約数和(自身を除く): 65601036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 14347, 28694, 43041, 57388, 71735, 86082, 129123, 143470, 157817, 172164, 215205, 258246, 286940, 315634, 430410, 473451, 516492, 631268, 645615, 789085, 860820, 946902, 1291230, 1420353, 1578170, 1893804, 2367255, 2582460, 2840706, 3156340, 4734510, 5681412, 7101765, 9469020, 14203530, 28407060]

約数ペア:

[(1, 28407060), (2, 14203530), (3, 9469020), (4, 7101765), (5, 5681412), (6, 4734510), (9, 3156340), (10, 2840706), (11, 2582460), (12, 2367255), (15, 1893804), (18, 1578170), (20, 1420353), (22, 1291230), (30, 946902), (33, 860820), (36, 789085), (44, 645615), (45, 631268), (55, 516492), (60, 473451), (66, 430410), (90, 315634), (99, 286940), (110, 258246), (132, 215205), (165, 172164), (180, 157817), (198, 143470), (220, 129123), (330, 86082), (396, 71735), (495, 57388), (660, 43041), (990, 28694), (1980, 14347)]