1980536880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^5\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 240

約数和(自身を含む): 7177469184

約数和(自身を除く): 5196932304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 491, 560, 588, 686, 735, 784, 840, 980, 982, 1029, 1176, 1372, 1470, 1473, 1680, 1715, 1960, 1964, 2058, 2352, 2401, 2455, 2744, 2940, 2946, 3430, 3437, 3920, 3928, 4116, 4802, 4910, 5145, 5488, 5880, 5892, 6860, 6874, 7203, 7365, 7856, 8232, 9604, 9820, 10290, 10311, 11760, 11784, 12005, 13720, 13748, 14406, 14730, 16464, 16807, 17185, 19208, 19640, 20580, 20622, 23568, 24010, 24059, 27440, 27496, 28812, 29460, 33614, 34370, 36015, 38416, 39280, 41160, 41244, 48020, 48118, 50421, 51555, 54992, 57624, 58920, 67228, 68740, 72030, 72177, 82320, 82488, 84035, 96040, 96236, 100842, 103110, 115248, 117840, 120295, 134456, 137480, 144060, 144354, 164976, 168070, 168413, 192080, 192472, 201684, 206220, 240590, 252105, 268912, 274960, 288120, 288708, 336140, 336826, 360885, 384944, 403368, 412440, 481180, 504210, 505239, 576240, 577416, 672280, 673652, 721770, 806736, 824880, 842065, 962360, 1008420, 1010478, 1154832, 1178891, 1344560, 1347304, 1443540, 1684130, 1924720, 2016840, 2020956, 2357782, 2526195, 2694608, 2887080, 3368260, 3536673, 4033680, 4041912, 4715564, 5052390, 5774160, 5894455, 6736520, 7073346, 8083824, 8252237, 9431128, 10104780, 11788910, 13473040, 14146692, 16504474, 17683365, 18862256, 20209560, 23577820, 24756711, 28293384, 33008948, 35366730, 40419120, 41261185, 47155640, 49513422, 56586768, 66017896, 70733460, 82522370, 94311280, 99026844, 123783555, 132035792, 141466920, 165044740, 198053688, 247567110, 282933840, 330089480, 396107376, 495134220, 660178960, 990268440, 1980536880]

約数ペア:

[(1, 1980536880), (2, 990268440), (3, 660178960), (4, 495134220), (5, 396107376), (6, 330089480), (7, 282933840), (8, 247567110), (10, 198053688), (12, 165044740), (14, 141466920), (15, 132035792), (16, 123783555), (20, 99026844), (21, 94311280), (24, 82522370), (28, 70733460), (30, 66017896), (35, 56586768), (40, 49513422), (42, 47155640), (48, 41261185), (49, 40419120), (56, 35366730), (60, 33008948), (70, 28293384), (80, 24756711), (84, 23577820), (98, 20209560), (105, 18862256), (112, 17683365), (120, 16504474), (140, 14146692), (147, 13473040), (168, 11788910), (196, 10104780), (210, 9431128), (240, 8252237), (245, 8083824), (280, 7073346), (294, 6736520), (336, 5894455), (343, 5774160), (392, 5052390), (420, 4715564), (490, 4041912), (491, 4033680), (560, 3536673), (588, 3368260), (686, 2887080), (735, 2694608), (784, 2526195), (840, 2357782), (980, 2020956), (982, 2016840), (1029, 1924720), (1176, 1684130), (1372, 1443540), (1470, 1347304), (1473, 1344560), (1680, 1178891), (1715, 1154832), (1960, 1010478), (1964, 1008420), (2058, 962360), (2352, 842065), (2401, 824880), (2455, 806736), (2744, 721770), (2940, 673652), (2946, 672280), (3430, 577416), (3437, 576240), (3920, 505239), (3928, 504210), (4116, 481180), (4802, 412440), (4910, 403368), (5145, 384944), (5488, 360885), (5880, 336826), (5892, 336140), (6860, 288708), (6874, 288120), (7203, 274960), (7365, 268912), (7856, 252105), (8232, 240590), (9604, 206220), (9820, 201684), (10290, 192472), (10311, 192080), (11760, 168413), (11784, 168070), (12005, 164976), (13720, 144354), (13748, 144060), (14406, 137480), (14730, 134456), (16464, 120295), (16807, 117840), (17185, 115248), (19208, 103110), (19640, 100842), (20580, 96236), (20622, 96040), (23568, 84035), (24010, 82488), (24059, 82320), (27440, 72177), (27496, 72030), (28812, 68740), (29460, 67228), (33614, 58920), (34370, 57624), (36015, 54992), (38416, 51555), (39280, 50421), (41160, 48118), (41244, 48020)]