2256171120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{997}}^1$

素因数の和:1472

約数の個数: 240

約数和(自身を含む): 8687390400

約数和(自身を除く): 6431219280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 449, 504, 560, 630, 720, 840, 898, 997, 1008, 1260, 1347, 1680, 1796, 1994, 2245, 2520, 2694, 2991, 3143, 3592, 3988, 4041, 4490, 4985, 5040, 5388, 5982, 6286, 6735, 6979, 7184, 7976, 8082, 8973, 8980, 9429, 9970, 10776, 11964, 12572, 13470, 13958, 14955, 15715, 15952, 16164, 17946, 17960, 18858, 19940, 20205, 20937, 21552, 23928, 25144, 26940, 27916, 28287, 29910, 31430, 32328, 34895, 35892, 35920, 37716, 39880, 40410, 41874, 44865, 47145, 47856, 50288, 53880, 55832, 56574, 59820, 62811, 62860, 64656, 69790, 71784, 75432, 79760, 80820, 83748, 89730, 94290, 104685, 107760, 111664, 113148, 119640, 125622, 125720, 139580, 141435, 143568, 150864, 161640, 167496, 179460, 188580, 209370, 226296, 239280, 251244, 251440, 279160, 282870, 314055, 323280, 334992, 358920, 377160, 418740, 447653, 452592, 502488, 558320, 565740, 628110, 717840, 754320, 837480, 895306, 1004976, 1131480, 1256220, 1342959, 1674960, 1790612, 2238265, 2262960, 2512440, 2685918, 3133571, 3581224, 4028877, 4476530, 5024880, 5371836, 6267142, 6714795, 7162448, 8057754, 8953060, 9400713, 10743672, 12534284, 13429590, 15667855, 16115508, 17906120, 18801426, 20144385, 21487344, 25068568, 26859180, 28202139, 31335710, 32231016, 35812240, 37602852, 40288770, 47003565, 50137136, 53718360, 56404278, 62671420, 64462032, 75205704, 80577540, 94007130, 107436720, 112808556, 125342840, 141010695, 150411408, 161155080, 188014260, 225617112, 250685680, 282021390, 322310160, 376028520, 451234224, 564042780, 752057040, 1128085560, 2256171120]

約数ペア:

[(1, 2256171120), (2, 1128085560), (3, 752057040), (4, 564042780), (5, 451234224), (6, 376028520), (7, 322310160), (8, 282021390), (9, 250685680), (10, 225617112), (12, 188014260), (14, 161155080), (15, 150411408), (16, 141010695), (18, 125342840), (20, 112808556), (21, 107436720), (24, 94007130), (28, 80577540), (30, 75205704), (35, 64462032), (36, 62671420), (40, 56404278), (42, 53718360), (45, 50137136), (48, 47003565), (56, 40288770), (60, 37602852), (63, 35812240), (70, 32231016), (72, 31335710), (80, 28202139), (84, 26859180), (90, 25068568), (105, 21487344), (112, 20144385), (120, 18801426), (126, 17906120), (140, 16115508), (144, 15667855), (168, 13429590), (180, 12534284), (210, 10743672), (240, 9400713), (252, 8953060), (280, 8057754), (315, 7162448), (336, 6714795), (360, 6267142), (420, 5371836), (449, 5024880), (504, 4476530), (560, 4028877), (630, 3581224), (720, 3133571), (840, 2685918), (898, 2512440), (997, 2262960), (1008, 2238265), (1260, 1790612), (1347, 1674960), (1680, 1342959), (1796, 1256220), (1994, 1131480), (2245, 1004976), (2520, 895306), (2694, 837480), (2991, 754320), (3143, 717840), (3592, 628110), (3988, 565740), (4041, 558320), (4490, 502488), (4985, 452592), (5040, 447653), (5388, 418740), (5982, 377160), (6286, 358920), (6735, 334992), (6979, 323280), (7184, 314055), (7976, 282870), (8082, 279160), (8973, 251440), (8980, 251244), (9429, 239280), (9970, 226296), (10776, 209370), (11964, 188580), (12572, 179460), (13470, 167496), (13958, 161640), (14955, 150864), (15715, 143568), (15952, 141435), (16164, 139580), (17946, 125720), (17960, 125622), (18858, 119640), (19940, 113148), (20205, 111664), (20937, 107760), (21552, 104685), (23928, 94290), (25144, 89730), (26940, 83748), (27916, 80820), (28287, 79760), (29910, 75432), (31430, 71784), (32328, 69790), (34895, 64656), (35892, 62860), (35920, 62811), (37716, 59820), (39880, 56574), (40410, 55832), (41874, 53880), (44865, 50288), (47145, 47856)]