28747186720

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{151}}^1\times {\mathrm{3469}}^1$

素因数の和:3656

約数の個数: 192

約数和(自身を含む): 79748928000

約数和(自身を除く): 51001741280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 151, 160, 196, 224, 245, 280, 302, 343, 392, 490, 560, 604, 686, 755, 784, 980, 1057, 1120, 1208, 1372, 1510, 1568, 1715, 1960, 2114, 2416, 2744, 3020, 3430, 3469, 3920, 4228, 4832, 5285, 5488, 6040, 6860, 6938, 7399, 7840, 8456, 10570, 10976, 12080, 13720, 13876, 14798, 16912, 17345, 21140, 24160, 24283, 27440, 27752, 29596, 33824, 34690, 36995, 42280, 48566, 51793, 54880, 55504, 59192, 69380, 73990, 84560, 97132, 103586, 111008, 118384, 121415, 138760, 147980, 169120, 169981, 194264, 207172, 236768, 242830, 258965, 277520, 295960, 339962, 388528, 414344, 485660, 517930, 523819, 555040, 591920, 679924, 777056, 828688, 849905, 971320, 1035860, 1047638, 1183840, 1189867, 1359848, 1657376, 1699810, 1942640, 2071720, 2095276, 2379734, 2619095, 2719696, 3399620, 3666733, 3885280, 4143440, 4190552, 4759468, 5238190, 5439392, 5949335, 6799240, 7333466, 8286880, 8381104, 9518936, 10476380, 11898670, 13598480, 14666932, 16762208, 18333665, 19037872, 20952760, 23797340, 25667131, 27196960, 29333864, 36667330, 38075744, 41905520, 47594680, 51334262, 58667728, 73334660, 83811040, 95189360, 102668524, 117335456, 128335655, 146669320, 179669917, 190378720, 205337048, 256671310, 293338640, 359339834, 410674096, 513342620, 586677280, 718679668, 821348192, 898349585, 1026685240, 1437359336, 1796699170, 2053370480, 2874718672, 3593398340, 4106740960, 5749437344, 7186796680, 14373593360, 28747186720]

約数ペア:

[(1, 28747186720), (2, 14373593360), (4, 7186796680), (5, 5749437344), (7, 4106740960), (8, 3593398340), (10, 2874718672), (14, 2053370480), (16, 1796699170), (20, 1437359336), (28, 1026685240), (32, 898349585), (35, 821348192), (40, 718679668), (49, 586677280), (56, 513342620), (70, 410674096), (80, 359339834), (98, 293338640), (112, 256671310), (140, 205337048), (151, 190378720), (160, 179669917), (196, 146669320), (224, 128335655), (245, 117335456), (280, 102668524), (302, 95189360), (343, 83811040), (392, 73334660), (490, 58667728), (560, 51334262), (604, 47594680), (686, 41905520), (755, 38075744), (784, 36667330), (980, 29333864), (1057, 27196960), (1120, 25667131), (1208, 23797340), (1372, 20952760), (1510, 19037872), (1568, 18333665), (1715, 16762208), (1960, 14666932), (2114, 13598480), (2416, 11898670), (2744, 10476380), (3020, 9518936), (3430, 8381104), (3469, 8286880), (3920, 7333466), (4228, 6799240), (4832, 5949335), (5285, 5439392), (5488, 5238190), (6040, 4759468), (6860, 4190552), (6938, 4143440), (7399, 3885280), (7840, 3666733), (8456, 3399620), (10570, 2719696), (10976, 2619095), (12080, 2379734), (13720, 2095276), (13876, 2071720), (14798, 1942640), (16912, 1699810), (17345, 1657376), (21140, 1359848), (24160, 1189867), (24283, 1183840), (27440, 1047638), (27752, 1035860), (29596, 971320), (33824, 849905), (34690, 828688), (36995, 777056), (42280, 679924), (48566, 591920), (51793, 555040), (54880, 523819), (55504, 517930), (59192, 485660), (69380, 414344), (73990, 388528), (84560, 339962), (97132, 295960), (103586, 277520), (111008, 258965), (118384, 242830), (121415, 236768), (138760, 207172), (147980, 194264), (169120, 169981)]