81345870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3463}}^1$

素因数の和:3511

約数の個数: 80

約数和(自身を含む): 226337760

約数和(自身を除く): 144991890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 870, 1305, 1566, 2349, 2610, 3463, 3915, 4698, 6926, 7830, 10389, 11745, 17315, 20778, 23490, 31167, 34630, 51945, 62334, 93501, 100427, 103890, 155835, 187002, 200854, 280503, 301281, 311670, 467505, 502135, 561006, 602562, 903843, 935010, 1004270, 1402515, 1506405, 1807686, 2711529, 2805030, 3012810, 4519215, 5423058, 8134587, 9038430, 13557645, 16269174, 27115290, 40672935, 81345870]

約数ペア:

[(1, 81345870), (2, 40672935), (3, 27115290), (5, 16269174), (6, 13557645), (9, 9038430), (10, 8134587), (15, 5423058), (18, 4519215), (27, 3012810), (29, 2805030), (30, 2711529), (45, 1807686), (54, 1506405), (58, 1402515), (81, 1004270), (87, 935010), (90, 903843), (135, 602562), (145, 561006), (162, 502135), (174, 467505), (261, 311670), (270, 301281), (290, 280503), (405, 200854), (435, 187002), (522, 155835), (783, 103890), (810, 100427), (870, 93501), (1305, 62334), (1566, 51945), (2349, 34630), (2610, 31167), (3463, 23490), (3915, 20778), (4698, 17315), (6926, 11745), (7830, 10389)]