1680950880

素因数分解:

$2^5\times 3^4\times 5^1\times 7^2\times {\mathrm{2647}}^1$

素因数の和:2688

約数の個数: 360

約数和(自身を含む): 6903510768

約数和(自身を除く): 5222559888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 480, 490, 504, 540, 560, 567, 588, 630, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1134, 1176, 1260, 1296, 1323, 1440, 1470, 1512, 1568, 1620, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2268, 2352, 2520, 2592, 2646, 2647, 2835, 2940, 3024, 3240, 3360, 3528, 3780, 3920, 3969, 4320, 4410, 4536, 4704, 5040, 5292, 5294, 5670, 5880, 6048, 6480, 6615, 7056, 7560, 7840, 7938, 7941, 8820, 9072, 10080, 10584, 10588, 11340, 11760, 12960, 13230, 13235, 14112, 15120, 15876, 15882, 17640, 18144, 18529, 19845, 21168, 21176, 22680, 23520, 23823, 26460, 26470, 30240, 31752, 31764, 35280, 37058, 39690, 39705, 42336, 42352, 45360, 47646, 52920, 52940, 55587, 63504, 63528, 70560, 71469, 74116, 79380, 79410, 84704, 90720, 92645, 95292, 105840, 105880, 111174, 119115, 127008, 127056, 129703, 142938, 148232, 158760, 158820, 166761, 185290, 190584, 211680, 211760, 214407, 222348, 238230, 254112, 259406, 277935, 285876, 296464, 317520, 317640, 333522, 357345, 370580, 381168, 389109, 423520, 428814, 444696, 476460, 500283, 518812, 555870, 571752, 592928, 635040, 635280, 648515, 667044, 714690, 741160, 762336, 778218, 833805, 857628, 889392, 952920, 1000566, 1037624, 1072035, 1111740, 1143504, 1167327, 1270560, 1297030, 1334088, 1429380, 1482320, 1500849, 1556436, 1667610, 1715256, 1778784, 1905840, 1945545, 2001132, 2075248, 2144070, 2223480, 2287008, 2334654, 2501415, 2594060, 2668176, 2858760, 2964640, 3001698, 3112872, 3335220, 3430512, 3501981, 3811680, 3891090, 4002264, 4150496, 4288140, 4446960, 4669308, 5002830, 5188120, 5336352, 5717520, 5836635, 6003396, 6225744, 6670440, 6861024, 7003962, 7504245, 7782180, 8004528, 8576280, 8893920, 9338616, 10005660, 10376240, 10505943, 11435040, 11673270, 12006792, 12451488, 13340880, 14007924, 15008490, 15564360, 16009056, 17152560, 17509905, 18677232, 20011320, 20752480, 21011886, 23346540, 24013584, 26681760, 28015848, 30016980, 31128720, 34305120, 35019810, 37354464, 40022640, 42023772, 46693080, 48027168, 52529715, 56031696, 60033960, 62257440, 70039620, 80045280, 84047544, 93386160, 105059430, 112063392, 120067920, 140079240, 168095088, 186772320, 210118860, 240135840, 280158480, 336190176, 420237720, 560316960, 840475440, 1680950880]

約数ペア:

[(1, 1680950880), (2, 840475440), (3, 560316960), (4, 420237720), (5, 336190176), (6, 280158480), (7, 240135840), (8, 210118860), (9, 186772320), (10, 168095088), (12, 140079240), (14, 120067920), (15, 112063392), (16, 105059430), (18, 93386160), (20, 84047544), (21, 80045280), (24, 70039620), (27, 62257440), (28, 60033960), (30, 56031696), (32, 52529715), (35, 48027168), (36, 46693080), (40, 42023772), (42, 40022640), (45, 37354464), (48, 35019810), (49, 34305120), (54, 31128720), (56, 30016980), (60, 28015848), (63, 26681760), (70, 24013584), (72, 23346540), (80, 21011886), (81, 20752480), (84, 20011320), (90, 18677232), (96, 17509905), (98, 17152560), (105, 16009056), (108, 15564360), (112, 15008490), (120, 14007924), (126, 13340880), (135, 12451488), (140, 12006792), (144, 11673270), (147, 11435040), (160, 10505943), (162, 10376240), (168, 10005660), (180, 9338616), (189, 8893920), (196, 8576280), (210, 8004528), (216, 7782180), (224, 7504245), (240, 7003962), (245, 6861024), (252, 6670440), (270, 6225744), (280, 6003396), (288, 5836635), (294, 5717520), (315, 5336352), (324, 5188120), (336, 5002830), (360, 4669308), (378, 4446960), (392, 4288140), (405, 4150496), (420, 4002264), (432, 3891090), (441, 3811680), (480, 3501981), (490, 3430512), (504, 3335220), (540, 3112872), (560, 3001698), (567, 2964640), (588, 2858760), (630, 2668176), (648, 2594060), (672, 2501415), (720, 2334654), (735, 2287008), (756, 2223480), (784, 2144070), (810, 2075248), (840, 2001132), (864, 1945545), (882, 1905840), (945, 1778784), (980, 1715256), (1008, 1667610), (1080, 1556436), (1120, 1500849), (1134, 1482320), (1176, 1429380), (1260, 1334088), (1296, 1297030), (1323, 1270560), (1440, 1167327), (1470, 1143504), (1512, 1111740), (1568, 1072035), (1620, 1037624), (1680, 1000566), (1764, 952920), (1890, 889392), (1960, 857628), (2016, 833805), (2160, 778218), (2205, 762336), (2268, 741160), (2352, 714690), (2520, 667044), (2592, 648515), (2646, 635280), (2647, 635040), (2835, 592928), (2940, 571752), (3024, 555870), (3240, 518812), (3360, 500283), (3528, 476460), (3780, 444696), (3920, 428814), (3969, 423520), (4320, 389109), (4410, 381168), (4536, 370580), (4704, 357345), (5040, 333522), (5292, 317640), (5294, 317520), (5670, 296464), (5880, 285876), (6048, 277935), (6480, 259406), (6615, 254112), (7056, 238230), (7560, 222348), (7840, 214407), (7938, 211760), (7941, 211680), (8820, 190584), (9072, 185290), (10080, 166761), (10584, 158820), (10588, 158760), (11340, 148232), (11760, 142938), (12960, 129703), (13230, 127056), (13235, 127008), (14112, 119115), (15120, 111174), (15876, 105880), (15882, 105840), (17640, 95292), (18144, 92645), (18529, 90720), (19845, 84704), (21168, 79410), (21176, 79380), (22680, 74116), (23520, 71469), (23823, 70560), (26460, 63528), (26470, 63504), (30240, 55587), (31752, 52940), (31764, 52920), (35280, 47646), (37058, 45360), (39690, 42352), (39705, 42336)]