28085220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4217}}^1$

素因数の和:4269

約数の個数: 72

約数和(自身を含む): 87515064

約数和(自身を除く): 59429844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 4217, 6660, 8434, 12651, 16868, 21085, 25302, 37953, 42170, 50604, 63255, 75906, 84340, 126510, 151812, 156029, 189765, 253020, 312058, 379530, 468087, 624116, 759060, 780145, 936174, 1404261, 1560290, 1872348, 2340435, 2808522, 3120580, 4680870, 5617044, 7021305, 9361740, 14042610, 28085220]

約数ペア:

[(1, 28085220), (2, 14042610), (3, 9361740), (4, 7021305), (5, 5617044), (6, 4680870), (9, 3120580), (10, 2808522), (12, 2340435), (15, 1872348), (18, 1560290), (20, 1404261), (30, 936174), (36, 780145), (37, 759060), (45, 624116), (60, 468087), (74, 379530), (90, 312058), (111, 253020), (148, 189765), (180, 156029), (185, 151812), (222, 126510), (333, 84340), (370, 75906), (444, 63255), (555, 50604), (666, 42170), (740, 37953), (1110, 25302), (1332, 21085), (1665, 16868), (2220, 12651), (3330, 8434), (4217, 6660)]