51161220

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 252

約数和(自身を含む): 183164940

約数和(自身を除く): 132003720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 29, 30, 33, 36, 44, 45, 54, 55, 58, 60, 66, 81, 87, 90, 99, 108, 110, 116, 121, 132, 135, 145, 162, 165, 174, 180, 198, 220, 242, 243, 261, 270, 290, 297, 319, 324, 330, 348, 363, 396, 405, 435, 484, 486, 495, 522, 540, 580, 594, 605, 638, 660, 726, 729, 783, 810, 870, 891, 957, 972, 990, 1044, 1089, 1188, 1210, 1215, 1276, 1305, 1452, 1458, 1485, 1566, 1595, 1620, 1740, 1782, 1815, 1914, 1980, 2178, 2349, 2420, 2430, 2610, 2673, 2871, 2916, 2970, 3132, 3190, 3267, 3509, 3564, 3630, 3645, 3828, 3915, 4356, 4455, 4698, 4785, 4860, 5220, 5346, 5445, 5742, 5940, 6380, 6534, 7018, 7047, 7260, 7290, 7830, 8019, 8613, 8910, 9396, 9570, 9801, 10527, 10692, 10890, 11484, 11745, 13068, 13365, 14036, 14094, 14355, 14580, 15660, 16038, 16335, 17226, 17545, 17820, 19140, 19602, 21054, 21141, 21780, 23490, 25839, 26730, 28188, 28710, 29403, 31581, 32076, 32670, 34452, 35090, 35235, 39204, 40095, 42108, 42282, 43065, 46980, 49005, 51678, 52635, 53460, 57420, 58806, 63162, 65340, 70180, 70470, 77517, 80190, 84564, 86130, 88209, 94743, 98010, 103356, 105270, 105705, 117612, 126324, 129195, 140940, 147015, 155034, 157905, 160380, 172260, 176418, 189486, 196020, 210540, 211410, 232551, 258390, 284229, 294030, 310068, 315810, 352836, 378972, 387585, 422820, 441045, 465102, 473715, 516780, 568458, 588060, 631620, 775170, 852687, 882090, 930204, 947430, 1136916, 1162755, 1421145, 1550340, 1705374, 1764180, 1894860, 2325510, 2558061, 2842290, 3410748, 4263435, 4651020, 5116122, 5684580, 8526870, 10232244, 12790305, 17053740, 25580610, 51161220]

約数ペア:

[(1, 51161220), (2, 25580610), (3, 17053740), (4, 12790305), (5, 10232244), (6, 8526870), (9, 5684580), (10, 5116122), (11, 4651020), (12, 4263435), (15, 3410748), (18, 2842290), (20, 2558061), (22, 2325510), (27, 1894860), (29, 1764180), (30, 1705374), (33, 1550340), (36, 1421145), (44, 1162755), (45, 1136916), (54, 947430), (55, 930204), (58, 882090), (60, 852687), (66, 775170), (81, 631620), (87, 588060), (90, 568458), (99, 516780), (108, 473715), (110, 465102), (116, 441045), (121, 422820), (132, 387585), (135, 378972), (145, 352836), (162, 315810), (165, 310068), (174, 294030), (180, 284229), (198, 258390), (220, 232551), (242, 211410), (243, 210540), (261, 196020), (270, 189486), (290, 176418), (297, 172260), (319, 160380), (324, 157905), (330, 155034), (348, 147015), (363, 140940), (396, 129195), (405, 126324), (435, 117612), (484, 105705), (486, 105270), (495, 103356), (522, 98010), (540, 94743), (580, 88209), (594, 86130), (605, 84564), (638, 80190), (660, 77517), (726, 70470), (729, 70180), (783, 65340), (810, 63162), (870, 58806), (891, 57420), (957, 53460), (972, 52635), (990, 51678), (1044, 49005), (1089, 46980), (1188, 43065), (1210, 42282), (1215, 42108), (1276, 40095), (1305, 39204), (1452, 35235), (1458, 35090), (1485, 34452), (1566, 32670), (1595, 32076), (1620, 31581), (1740, 29403), (1782, 28710), (1815, 28188), (1914, 26730), (1980, 25839), (2178, 23490), (2349, 21780), (2420, 21141), (2430, 21054), (2610, 19602), (2673, 19140), (2871, 17820), (2916, 17545), (2970, 17226), (3132, 16335), (3190, 16038), (3267, 15660), (3509, 14580), (3564, 14355), (3630, 14094), (3645, 14036), (3828, 13365), (3915, 13068), (4356, 11745), (4455, 11484), (4698, 10890), (4785, 10692), (4860, 10527), (5220, 9801), (5346, 9570), (5445, 9396), (5742, 8910), (5940, 8613), (6380, 8019), (6534, 7830), (7018, 7290), (7047, 7260)]