661309488

素因数分解:

$2^4\times 3^3\times 7^3\times {\mathrm{4463}}^1$

素因数の和:4501

約数の個数: 160

約数和(自身を含む): 2214144000

約数和(自身を除く): 1552834512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 343, 378, 392, 432, 441, 504, 588, 686, 756, 784, 882, 1008, 1029, 1176, 1323, 1372, 1512, 1764, 2058, 2352, 2646, 2744, 3024, 3087, 3528, 4116, 4463, 5292, 5488, 6174, 7056, 8232, 8926, 9261, 10584, 12348, 13389, 16464, 17852, 18522, 21168, 24696, 26778, 31241, 35704, 37044, 40167, 49392, 53556, 62482, 71408, 74088, 80334, 93723, 107112, 120501, 124964, 148176, 160668, 187446, 214224, 218687, 241002, 249928, 281169, 321336, 374892, 437374, 482004, 499856, 562338, 642672, 656061, 749784, 843507, 874748, 964008, 1124676, 1312122, 1499568, 1530809, 1687014, 1749496, 1928016, 1968183, 2249352, 2624244, 3061618, 3374028, 3498992, 3936366, 4498704, 4592427, 5248488, 5904549, 6123236, 6748056, 7872732, 9184854, 10496976, 11809098, 12246472, 13496112, 13777281, 15745464, 18369708, 23618196, 24492944, 27554562, 31490928, 36739416, 41331843, 47236392, 55109124, 73478832, 82663686, 94472784, 110218248, 165327372, 220436496, 330654744, 661309488]

約数ペア:

[(1, 661309488), (2, 330654744), (3, 220436496), (4, 165327372), (6, 110218248), (7, 94472784), (8, 82663686), (9, 73478832), (12, 55109124), (14, 47236392), (16, 41331843), (18, 36739416), (21, 31490928), (24, 27554562), (27, 24492944), (28, 23618196), (36, 18369708), (42, 15745464), (48, 13777281), (49, 13496112), (54, 12246472), (56, 11809098), (63, 10496976), (72, 9184854), (84, 7872732), (98, 6748056), (108, 6123236), (112, 5904549), (126, 5248488), (144, 4592427), (147, 4498704), (168, 3936366), (189, 3498992), (196, 3374028), (216, 3061618), (252, 2624244), (294, 2249352), (336, 1968183), (343, 1928016), (378, 1749496), (392, 1687014), (432, 1530809), (441, 1499568), (504, 1312122), (588, 1124676), (686, 964008), (756, 874748), (784, 843507), (882, 749784), (1008, 656061), (1029, 642672), (1176, 562338), (1323, 499856), (1372, 482004), (1512, 437374), (1764, 374892), (2058, 321336), (2352, 281169), (2646, 249928), (2744, 241002), (3024, 218687), (3087, 214224), (3528, 187446), (4116, 160668), (4463, 148176), (5292, 124964), (5488, 120501), (6174, 107112), (7056, 93723), (8232, 80334), (8926, 74088), (9261, 71408), (10584, 62482), (12348, 53556), (13389, 49392), (16464, 40167), (17852, 37044), (18522, 35704), (21168, 31241), (24696, 26778)]