123015420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62129}}^1$

素因数の和:62155

約数の個数: 72

約数和(自身を含む): 407075760

約数和(自身を除く): 284060340

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, 62129, 124258, 186387, 248516, 310645, 372774, 559161, 621290, 683419, 745548, 931935, 1118322, 1242580, 1366838, 1863870, 2050257, 2236644, 2733676, 2795805, 3417095, 3727740, 4100514, 5591610, 6150771, 6834190, 8201028, 10251285, 11183220, 12301542, 13668380, 20502570, 24603084, 30753855, 41005140, 61507710, 123015420]

約数ペア:

[(1, 123015420), (2, 61507710), (3, 41005140), (4, 30753855), (5, 24603084), (6, 20502570), (9, 13668380), (10, 12301542), (11, 11183220), (12, 10251285), (15, 8201028), (18, 6834190), (20, 6150771), (22, 5591610), (30, 4100514), (33, 3727740), (36, 3417095), (44, 2795805), (45, 2733676), (55, 2236644), (60, 2050257), (66, 1863870), (90, 1366838), (99, 1242580), (110, 1118322), (132, 931935), (165, 745548), (180, 683419), (198, 621290), (220, 559161), (330, 372774), (396, 310645), (495, 248516), (660, 186387), (990, 124258), (1980, 62129)]