1980816768

素因数分解:

$2^7\times 3^4\times 7^3\times {\mathrm{557}}^1$

素因数の和:604

約数の個数: 320

約数和(自身を含む): 6886836000

約数和(自身を除く): 4906019232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 81, 84, 96, 98, 108, 112, 126, 128, 144, 147, 162, 168, 189, 192, 196, 216, 224, 252, 288, 294, 324, 336, 343, 378, 384, 392, 432, 441, 448, 504, 557, 567, 576, 588, 648, 672, 686, 756, 784, 864, 882, 896, 1008, 1029, 1114, 1134, 1152, 1176, 1296, 1323, 1344, 1372, 1512, 1568, 1671, 1728, 1764, 2016, 2058, 2228, 2268, 2352, 2592, 2646, 2688, 2744, 3024, 3087, 3136, 3342, 3456, 3528, 3899, 3969, 4032, 4116, 4456, 4536, 4704, 5013, 5184, 5292, 5488, 6048, 6174, 6272, 6684, 7056, 7798, 7938, 8064, 8232, 8912, 9072, 9261, 9408, 10026, 10368, 10584, 10976, 11697, 12096, 12348, 13368, 14112, 15039, 15596, 15876, 16464, 17824, 18144, 18522, 18816, 20052, 21168, 21952, 23394, 24192, 24696, 26736, 27293, 27783, 28224, 30078, 31192, 31752, 32928, 35091, 35648, 36288, 37044, 40104, 42336, 43904, 45117, 46788, 49392, 53472, 54586, 55566, 56448, 60156, 62384, 63504, 65856, 70182, 71296, 72576, 74088, 80208, 81879, 84672, 90234, 93576, 98784, 105273, 106944, 109172, 111132, 120312, 124768, 127008, 131712, 140364, 148176, 160416, 163758, 169344, 180468, 187152, 191051, 197568, 210546, 213888, 218344, 222264, 240624, 245637, 249536, 254016, 280728, 296352, 315819, 320832, 327516, 360936, 374304, 382102, 395136, 421092, 436688, 444528, 481248, 491274, 499072, 508032, 561456, 573153, 592704, 631638, 641664, 655032, 721872, 736911, 748608, 764204, 842184, 873376, 889056, 962496, 982548, 1122912, 1146306, 1185408, 1263276, 1310064, 1443744, 1473822, 1497216, 1528408, 1684368, 1719459, 1746752, 1778112, 1924992, 1965096, 2210733, 2245824, 2292612, 2526552, 2620128, 2887488, 2947644, 3056816, 3368736, 3438918, 3493504, 3556224, 3930192, 4421466, 4491648, 4585224, 5053104, 5158377, 5240256, 5774976, 5895288, 6113632, 6737472, 6877836, 7860384, 8842932, 9170448, 10106208, 10316754, 10480512, 11790576, 12227264, 13474944, 13755672, 15475131, 15720768, 17685864, 18340896, 20212416, 20633508, 23581152, 24454528, 27511344, 30950262, 31441536, 35371728, 36681792, 40424832, 41267016, 47162304, 55022688, 61900524, 70743456, 73363584, 82534032, 94324608, 110045376, 123801048, 141486912, 165068064, 220090752, 247602096, 282973824, 330136128, 495204192, 660272256, 990408384, 1980816768]

約数ペア:

[(1, 1980816768), (2, 990408384), (3, 660272256), (4, 495204192), (6, 330136128), (7, 282973824), (8, 247602096), (9, 220090752), (12, 165068064), (14, 141486912), (16, 123801048), (18, 110045376), (21, 94324608), (24, 82534032), (27, 73363584), (28, 70743456), (32, 61900524), (36, 55022688), (42, 47162304), (48, 41267016), (49, 40424832), (54, 36681792), (56, 35371728), (63, 31441536), (64, 30950262), (72, 27511344), (81, 24454528), (84, 23581152), (96, 20633508), (98, 20212416), (108, 18340896), (112, 17685864), (126, 15720768), (128, 15475131), (144, 13755672), (147, 13474944), (162, 12227264), (168, 11790576), (189, 10480512), (192, 10316754), (196, 10106208), (216, 9170448), (224, 8842932), (252, 7860384), (288, 6877836), (294, 6737472), (324, 6113632), (336, 5895288), (343, 5774976), (378, 5240256), (384, 5158377), (392, 5053104), (432, 4585224), (441, 4491648), (448, 4421466), (504, 3930192), (557, 3556224), (567, 3493504), (576, 3438918), (588, 3368736), (648, 3056816), (672, 2947644), (686, 2887488), (756, 2620128), (784, 2526552), (864, 2292612), (882, 2245824), (896, 2210733), (1008, 1965096), (1029, 1924992), (1114, 1778112), (1134, 1746752), (1152, 1719459), (1176, 1684368), (1296, 1528408), (1323, 1497216), (1344, 1473822), (1372, 1443744), (1512, 1310064), (1568, 1263276), (1671, 1185408), (1728, 1146306), (1764, 1122912), (2016, 982548), (2058, 962496), (2228, 889056), (2268, 873376), (2352, 842184), (2592, 764204), (2646, 748608), (2688, 736911), (2744, 721872), (3024, 655032), (3087, 641664), (3136, 631638), (3342, 592704), (3456, 573153), (3528, 561456), (3899, 508032), (3969, 499072), (4032, 491274), (4116, 481248), (4456, 444528), (4536, 436688), (4704, 421092), (5013, 395136), (5184, 382102), (5292, 374304), (5488, 360936), (6048, 327516), (6174, 320832), (6272, 315819), (6684, 296352), (7056, 280728), (7798, 254016), (7938, 249536), (8064, 245637), (8232, 240624), (8912, 222264), (9072, 218344), (9261, 213888), (9408, 210546), (10026, 197568), (10368, 191051), (10584, 187152), (10976, 180468), (11697, 169344), (12096, 163758), (12348, 160416), (13368, 148176), (14112, 140364), (15039, 131712), (15596, 127008), (15876, 124768), (16464, 120312), (17824, 111132), (18144, 109172), (18522, 106944), (18816, 105273), (20052, 98784), (21168, 93576), (21952, 90234), (23394, 84672), (24192, 81879), (24696, 80208), (26736, 74088), (27293, 72576), (27783, 71296), (28224, 70182), (30078, 65856), (31192, 63504), (31752, 62384), (32928, 60156), (35091, 56448), (35648, 55566), (36288, 54586), (37044, 53472), (40104, 49392), (42336, 46788), (43904, 45117)]