80919828

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1$

素因数の和:1757

約数の個数: 72

約数和(自身を含む): 225039360

約数和(自身を除く): 144119532

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 127, 132, 198, 254, 381, 396, 508, 762, 1143, 1397, 1524, 1609, 2286, 2794, 3218, 4191, 4572, 4827, 5588, 6436, 8382, 9654, 12573, 14481, 16764, 17699, 19308, 25146, 28962, 35398, 50292, 53097, 57924, 70796, 106194, 159291, 204343, 212388, 318582, 408686, 613029, 637164, 817372, 1226058, 1839087, 2247773, 2452116, 3678174, 4495546, 6743319, 7356348, 8991092, 13486638, 20229957, 26973276, 40459914, 80919828]

約数ペア:

[(1, 80919828), (2, 40459914), (3, 26973276), (4, 20229957), (6, 13486638), (9, 8991092), (11, 7356348), (12, 6743319), (18, 4495546), (22, 3678174), (33, 2452116), (36, 2247773), (44, 1839087), (66, 1226058), (99, 817372), (127, 637164), (132, 613029), (198, 408686), (254, 318582), (381, 212388), (396, 204343), (508, 159291), (762, 106194), (1143, 70796), (1397, 57924), (1524, 53097), (1609, 50292), (2286, 35398), (2794, 28962), (3218, 25146), (4191, 19308), (4572, 17699), (4827, 16764), (5588, 14481), (6436, 12573), (8382, 9654)]