640545312

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1223

約数の個数: 192

約数和(自身を含む): 2006581248

約数和(自身を除く): 1366035936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 31, 32, 33, 34, 44, 48, 51, 62, 66, 68, 88, 93, 96, 102, 124, 132, 136, 176, 186, 187, 204, 248, 264, 272, 341, 352, 372, 374, 408, 496, 527, 528, 544, 561, 682, 744, 748, 816, 992, 1023, 1054, 1056, 1122, 1151, 1364, 1488, 1496, 1581, 1632, 2046, 2108, 2244, 2302, 2728, 2976, 2992, 3162, 3453, 4092, 4216, 4488, 4604, 5456, 5797, 5984, 6324, 6906, 8184, 8432, 8976, 9208, 10912, 11594, 12648, 12661, 13812, 16368, 16864, 17391, 17952, 18416, 19567, 23188, 25296, 25322, 27624, 32736, 34782, 35681, 36832, 37983, 39134, 46376, 50592, 50644, 55248, 58701, 69564, 71362, 75966, 78268, 92752, 101288, 107043, 110496, 117402, 139128, 142724, 151932, 156536, 185504, 202576, 214086, 215237, 234804, 278256, 285448, 303864, 313072, 392491, 405152, 428172, 430474, 469608, 556512, 570896, 606577, 607728, 626144, 645711, 784982, 856344, 860948, 939216, 1141792, 1177473, 1213154, 1215456, 1291422, 1569964, 1712688, 1721896, 1819731, 1878432, 2354946, 2426308, 2582844, 3139928, 3425376, 3443792, 3639462, 4709892, 4852616, 5165688, 6279856, 6672347, 6887584, 7278924, 9419784, 9705232, 10331376, 12559712, 13344694, 14557848, 18839568, 19410464, 20017041, 20662752, 26689388, 29115696, 37679136, 40034082, 53378776, 58231392, 80068164, 106757552, 160136328, 213515104, 320272656, 640545312]

約数ペア:

[(1, 640545312), (2, 320272656), (3, 213515104), (4, 160136328), (6, 106757552), (8, 80068164), (11, 58231392), (12, 53378776), (16, 40034082), (17, 37679136), (22, 29115696), (24, 26689388), (31, 20662752), (32, 20017041), (33, 19410464), (34, 18839568), (44, 14557848), (48, 13344694), (51, 12559712), (62, 10331376), (66, 9705232), (68, 9419784), (88, 7278924), (93, 6887584), (96, 6672347), (102, 6279856), (124, 5165688), (132, 4852616), (136, 4709892), (176, 3639462), (186, 3443792), (187, 3425376), (204, 3139928), (248, 2582844), (264, 2426308), (272, 2354946), (341, 1878432), (352, 1819731), (372, 1721896), (374, 1712688), (408, 1569964), (496, 1291422), (527, 1215456), (528, 1213154), (544, 1177473), (561, 1141792), (682, 939216), (744, 860948), (748, 856344), (816, 784982), (992, 645711), (1023, 626144), (1054, 607728), (1056, 606577), (1122, 570896), (1151, 556512), (1364, 469608), (1488, 430474), (1496, 428172), (1581, 405152), (1632, 392491), (2046, 313072), (2108, 303864), (2244, 285448), (2302, 278256), (2728, 234804), (2976, 215237), (2992, 214086), (3162, 202576), (3453, 185504), (4092, 156536), (4216, 151932), (4488, 142724), (4604, 139128), (5456, 117402), (5797, 110496), (5984, 107043), (6324, 101288), (6906, 92752), (8184, 78268), (8432, 75966), (8976, 71362), (9208, 69564), (10912, 58701), (11594, 55248), (12648, 50644), (12661, 50592), (13812, 46376), (16368, 39134), (16864, 37983), (17391, 36832), (17952, 35681), (18416, 34782), (19567, 32736), (23188, 27624), (25296, 25322)]