30340640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17239}}^1$

素因数の和:17265

約数の個数: 48

約数和(自身を含む): 78200640

約数和(自身を除く): 47860000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 17239, 34478, 68956, 86195, 137912, 172390, 189629, 275824, 344780, 379258, 551648, 689560, 758516, 948145, 1379120, 1517032, 1896290, 2758240, 3034064, 3792580, 6068128, 7585160, 15170320, 30340640]

約数ペア:

[(1, 30340640), (2, 15170320), (4, 7585160), (5, 6068128), (8, 3792580), (10, 3034064), (11, 2758240), (16, 1896290), (20, 1517032), (22, 1379120), (32, 948145), (40, 758516), (44, 689560), (55, 551648), (80, 379258), (88, 344780), (110, 275824), (160, 189629), (176, 172390), (220, 137912), (352, 86195), (440, 68956), (880, 34478), (1760, 17239)]