207315720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1540

約数の個数: 128

約数和(自身を含む): 696528000

約数和(自身を除く): 489212280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 216, 270, 278, 360, 417, 540, 556, 695, 834, 1080, 1112, 1251, 1381, 1390, 1668, 2085, 2502, 2762, 2780, 3336, 3753, 4143, 4170, 5004, 5524, 5560, 6255, 6905, 7506, 8286, 8340, 10008, 11048, 12429, 12510, 13810, 15012, 16572, 16680, 18765, 20715, 24858, 25020, 27620, 30024, 33144, 37287, 37530, 41430, 49716, 50040, 55240, 62145, 74574, 75060, 82860, 99432, 124290, 149148, 150120, 165720, 186435, 191959, 248580, 298296, 372870, 383918, 497160, 575877, 745740, 767836, 959795, 1151754, 1491480, 1535672, 1727631, 1919590, 2303508, 2879385, 3455262, 3839180, 4607016, 5182893, 5758770, 6910524, 7678360, 8638155, 10365786, 11517540, 13821048, 17276310, 20731572, 23035080, 25914465, 34552620, 41463144, 51828930, 69105240, 103657860, 207315720]

約数ペア:

[(1, 207315720), (2, 103657860), (3, 69105240), (4, 51828930), (5, 41463144), (6, 34552620), (8, 25914465), (9, 23035080), (10, 20731572), (12, 17276310), (15, 13821048), (18, 11517540), (20, 10365786), (24, 8638155), (27, 7678360), (30, 6910524), (36, 5758770), (40, 5182893), (45, 4607016), (54, 3839180), (60, 3455262), (72, 2879385), (90, 2303508), (108, 1919590), (120, 1727631), (135, 1535672), (139, 1491480), (180, 1151754), (216, 959795), (270, 767836), (278, 745740), (360, 575877), (417, 497160), (540, 383918), (556, 372870), (695, 298296), (834, 248580), (1080, 191959), (1112, 186435), (1251, 165720), (1381, 150120), (1390, 149148), (1668, 124290), (2085, 99432), (2502, 82860), (2762, 75060), (2780, 74574), (3336, 62145), (3753, 55240), (4143, 50040), (4170, 49716), (5004, 41430), (5524, 37530), (5560, 37287), (6255, 33144), (6905, 30024), (7506, 27620), (8286, 25020), (8340, 24858), (10008, 20715), (11048, 18765), (12429, 16680), (12510, 16572), (13810, 15012)]