15678880203

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 26206259200

約数和(自身を除く): 10527378997

約数列:

[1, 3, 7, 21, 37, 43, 49, 61, 111, 129, 147, 157, 183, 259, 301, 343, 427, 471, 777, 903, 1029, 1099, 1281, 1591, 1813, 2107, 2257, 2623, 2989, 3297, 4773, 5439, 5809, 6321, 6751, 6771, 7693, 7869, 8967, 9577, 11137, 12691, 14749, 15799, 17427, 18361, 20253, 20923, 23079, 28731, 33411, 38073, 40663, 44247, 47257, 47397, 53851, 55083, 62769, 67039, 77959, 97051, 110593, 121989, 128527, 141771, 161553, 201117, 233877, 249787, 284641, 291153, 330799, 331779, 354349, 385581, 411811, 469273, 545713, 679357, 749361, 774151, 853923, 899689, 992397, 1063047, 1235433, 1407819, 1637139, 1748509, 1992487, 2038071, 2315593, 2322453, 2480443, 2699067, 2882677, 3284911, 4755499, 5245527, 5977461, 6946779, 7441329, 8648031, 9854733, 12239563, 14266497, 15237007, 17363101, 20178739, 33288493, 36718689, 45711021, 52089303, 60536217, 85676941, 99865479, 106659049, 121541707, 141251173, 257030823, 319977147, 364625121, 423753519, 746613343, 2239840029, 5226293401, 15678880203]

約数ペア:

[(1, 15678880203), (3, 5226293401), (7, 2239840029), (21, 746613343), (37, 423753519), (43, 364625121), (49, 319977147), (61, 257030823), (111, 141251173), (129, 121541707), (147, 106659049), (157, 99865479), (183, 85676941), (259, 60536217), (301, 52089303), (343, 45711021), (427, 36718689), (471, 33288493), (777, 20178739), (903, 17363101), (1029, 15237007), (1099, 14266497), (1281, 12239563), (1591, 9854733), (1813, 8648031), (2107, 7441329), (2257, 6946779), (2623, 5977461), (2989, 5245527), (3297, 4755499), (4773, 3284911), (5439, 2882677), (5809, 2699067), (6321, 2480443), (6751, 2322453), (6771, 2315593), (7693, 2038071), (7869, 1992487), (8967, 1748509), (9577, 1637139), (11137, 1407819), (12691, 1235433), (14749, 1063047), (15799, 992397), (17427, 899689), (18361, 853923), (20253, 774151), (20923, 749361), (23079, 679357), (28731, 545713), (33411, 469273), (38073, 411811), (40663, 385581), (44247, 354349), (47257, 331779), (47397, 330799), (53851, 291153), (55083, 284641), (62769, 249787), (67039, 233877), (77959, 201117), (97051, 161553), (110593, 141771), (121989, 128527)]