208638180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4441}}^1$

素因数の和:4491

約数の個数: 120

約数和(自身を含む): 677227320

約数和(自身を除く): 468589140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 783, 810, 870, 1044, 1305, 1566, 1620, 1740, 2349, 2610, 3132, 3915, 4441, 4698, 5220, 7830, 8882, 9396, 11745, 13323, 15660, 17764, 22205, 23490, 26646, 39969, 44410, 46980, 53292, 66615, 79938, 88820, 119907, 128789, 133230, 159876, 199845, 239814, 257578, 266460, 359721, 386367, 399690, 479628, 515156, 599535, 643945, 719442, 772734, 799380, 1159101, 1199070, 1287890, 1438884, 1545468, 1798605, 1931835, 2318202, 2398140, 2575780, 3477303, 3597210, 3863670, 4636404, 5795505, 6954606, 7194420, 7727340, 10431909, 11591010, 13909212, 17386515, 20863818, 23182020, 34773030, 41727636, 52159545, 69546060, 104319090, 208638180]

約数ペア:

[(1, 208638180), (2, 104319090), (3, 69546060), (4, 52159545), (5, 41727636), (6, 34773030), (9, 23182020), (10, 20863818), (12, 17386515), (15, 13909212), (18, 11591010), (20, 10431909), (27, 7727340), (29, 7194420), (30, 6954606), (36, 5795505), (45, 4636404), (54, 3863670), (58, 3597210), (60, 3477303), (81, 2575780), (87, 2398140), (90, 2318202), (108, 1931835), (116, 1798605), (135, 1545468), (145, 1438884), (162, 1287890), (174, 1199070), (180, 1159101), (261, 799380), (270, 772734), (290, 719442), (324, 643945), (348, 599535), (405, 515156), (435, 479628), (522, 399690), (540, 386367), (580, 359721), (783, 266460), (810, 257578), (870, 239814), (1044, 199845), (1305, 159876), (1566, 133230), (1620, 128789), (1740, 119907), (2349, 88820), (2610, 79938), (3132, 66615), (3915, 53292), (4441, 46980), (4698, 44410), (5220, 39969), (7830, 26646), (8882, 23490), (9396, 22205), (11745, 17764), (13323, 15660)]