642787488

素因数分解:

$2^5\times 3^5\times 7^3\times {\mathrm{241}}^1$

素因数の和:287

約数の個数: 288

約数和(自身を含む): 2219817600

約数和(自身を除く): 1577030112

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, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 241, 243, 252, 288, 294, 324, 336, 343, 378, 392, 432, 441, 482, 486, 504, 567, 588, 648, 672, 686, 723, 756, 784, 864, 882, 964, 972, 1008, 1029, 1134, 1176, 1296, 1323, 1372, 1446, 1512, 1568, 1687, 1701, 1764, 1928, 1944, 2016, 2058, 2169, 2268, 2352, 2592, 2646, 2744, 2892, 3024, 3087, 3374, 3402, 3528, 3856, 3888, 3969, 4116, 4338, 4536, 4704, 5061, 5292, 5488, 5784, 6048, 6174, 6507, 6748, 6804, 7056, 7712, 7776, 7938, 8232, 8676, 9072, 9261, 10122, 10584, 10976, 11568, 11809, 11907, 12348, 13014, 13496, 13608, 14112, 15183, 15876, 16464, 17352, 18144, 18522, 19521, 20244, 21168, 23136, 23618, 23814, 24696, 26028, 26992, 27216, 27783, 30366, 31752, 32928, 34704, 35427, 37044, 39042, 40488, 42336, 45549, 47236, 47628, 49392, 52056, 53984, 54432, 55566, 58563, 60732, 63504, 69408, 70854, 74088, 78084, 80976, 82663, 83349, 91098, 94472, 95256, 98784, 104112, 106281, 111132, 117126, 121464, 127008, 136647, 141708, 148176, 156168, 161952, 165326, 166698, 182196, 188944, 190512, 208224, 212562, 222264, 234252, 242928, 247989, 273294, 283416, 296352, 312336, 318843, 330652, 333396, 364392, 377888, 381024, 409941, 425124, 444528, 468504, 485856, 495978, 546588, 566832, 624672, 637686, 661304, 666792, 728784, 743967, 819882, 850248, 889056, 937008, 956529, 991956, 1093176, 1133664, 1275372, 1322608, 1333584, 1457568, 1487934, 1639764, 1700496, 1874016, 1913058, 1983912, 2186352, 2231901, 2550744, 2645216, 2667168, 2869587, 2975868, 3279528, 3400992, 3826116, 3967824, 4372704, 4463802, 5101488, 5739174, 5951736, 6559056, 6695703, 7652232, 7935648, 8927604, 10202976, 11478348, 11903472, 13118112, 13391406, 15304464, 17855208, 20087109, 22956696, 23806944, 26782812, 30608928, 35710416, 40174218, 45913392, 53565624, 71420832, 80348436, 91826784, 107131248, 160696872, 214262496, 321393744, 642787488]

約数ペア:

[(1, 642787488), (2, 321393744), (3, 214262496), (4, 160696872), (6, 107131248), (7, 91826784), (8, 80348436), (9, 71420832), (12, 53565624), (14, 45913392), (16, 40174218), (18, 35710416), (21, 30608928), (24, 26782812), (27, 23806944), (28, 22956696), (32, 20087109), (36, 17855208), (42, 15304464), (48, 13391406), (49, 13118112), (54, 11903472), (56, 11478348), (63, 10202976), (72, 8927604), (81, 7935648), (84, 7652232), (96, 6695703), (98, 6559056), (108, 5951736), (112, 5739174), (126, 5101488), (144, 4463802), (147, 4372704), (162, 3967824), (168, 3826116), (189, 3400992), (196, 3279528), (216, 2975868), (224, 2869587), (241, 2667168), (243, 2645216), (252, 2550744), (288, 2231901), (294, 2186352), (324, 1983912), (336, 1913058), (343, 1874016), (378, 1700496), (392, 1639764), (432, 1487934), (441, 1457568), (482, 1333584), (486, 1322608), (504, 1275372), (567, 1133664), (588, 1093176), (648, 991956), (672, 956529), (686, 937008), (723, 889056), (756, 850248), (784, 819882), (864, 743967), (882, 728784), (964, 666792), (972, 661304), (1008, 637686), (1029, 624672), (1134, 566832), (1176, 546588), (1296, 495978), (1323, 485856), (1372, 468504), (1446, 444528), (1512, 425124), (1568, 409941), (1687, 381024), (1701, 377888), (1764, 364392), (1928, 333396), (1944, 330652), (2016, 318843), (2058, 312336), (2169, 296352), (2268, 283416), (2352, 273294), (2592, 247989), (2646, 242928), (2744, 234252), (2892, 222264), (3024, 212562), (3087, 208224), (3374, 190512), (3402, 188944), (3528, 182196), (3856, 166698), (3888, 165326), (3969, 161952), (4116, 156168), (4338, 148176), (4536, 141708), (4704, 136647), (5061, 127008), (5292, 121464), (5488, 117126), (5784, 111132), (6048, 106281), (6174, 104112), (6507, 98784), (6748, 95256), (6804, 94472), (7056, 91098), (7712, 83349), (7776, 82663), (7938, 80976), (8232, 78084), (8676, 74088), (9072, 70854), (9261, 69408), (10122, 63504), (10584, 60732), (10976, 58563), (11568, 55566), (11809, 54432), (11907, 53984), (12348, 52056), (13014, 49392), (13496, 47628), (13608, 47236), (14112, 45549), (15183, 42336), (15876, 40488), (16464, 39042), (17352, 37044), (18144, 35427), (18522, 34704), (19521, 32928), (20244, 31752), (21168, 30366), (23136, 27783), (23618, 27216), (23814, 26992), (24696, 26028)]