128205168

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:644

約数の個数: 160

約数和(自身を含む): 416640000

約数和(自身を除く): 288434832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 343, 364, 392, 546, 588, 599, 624, 637, 686, 728, 784, 1029, 1092, 1176, 1198, 1274, 1372, 1456, 1797, 1911, 2058, 2184, 2352, 2396, 2548, 2744, 3594, 3822, 4116, 4193, 4368, 4459, 4792, 5096, 5488, 7188, 7644, 7787, 8232, 8386, 8918, 9584, 10192, 12579, 13377, 14376, 15288, 15574, 16464, 16772, 17836, 23361, 25158, 26754, 28752, 29351, 30576, 31148, 33544, 35672, 46722, 50316, 53508, 54509, 58702, 62296, 67088, 71344, 88053, 93444, 100632, 107016, 109018, 117404, 124592, 163527, 176106, 186888, 201264, 205457, 214032, 218036, 234808, 327054, 352212, 373776, 381563, 410914, 436072, 469616, 616371, 654108, 704424, 763126, 821828, 872144, 1144689, 1232742, 1308216, 1408848, 1526252, 1643656, 2289378, 2465484, 2616432, 2670941, 3052504, 3287312, 4578756, 4930968, 5341882, 6105008, 8012823, 9157512, 9861936, 10683764, 16025646, 18315024, 21367528, 32051292, 42735056, 64102584, 128205168]

約数ペア:

[(1, 128205168), (2, 64102584), (3, 42735056), (4, 32051292), (6, 21367528), (7, 18315024), (8, 16025646), (12, 10683764), (13, 9861936), (14, 9157512), (16, 8012823), (21, 6105008), (24, 5341882), (26, 4930968), (28, 4578756), (39, 3287312), (42, 3052504), (48, 2670941), (49, 2616432), (52, 2465484), (56, 2289378), (78, 1643656), (84, 1526252), (91, 1408848), (98, 1308216), (104, 1232742), (112, 1144689), (147, 872144), (156, 821828), (168, 763126), (182, 704424), (196, 654108), (208, 616371), (273, 469616), (294, 436072), (312, 410914), (336, 381563), (343, 373776), (364, 352212), (392, 327054), (546, 234808), (588, 218036), (599, 214032), (624, 205457), (637, 201264), (686, 186888), (728, 176106), (784, 163527), (1029, 124592), (1092, 117404), (1176, 109018), (1198, 107016), (1274, 100632), (1372, 93444), (1456, 88053), (1797, 71344), (1911, 67088), (2058, 62296), (2184, 58702), (2352, 54509), (2396, 53508), (2548, 50316), (2744, 46722), (3594, 35672), (3822, 33544), (4116, 31148), (4193, 30576), (4368, 29351), (4459, 28752), (4792, 26754), (5096, 25158), (5488, 23361), (7188, 17836), (7644, 16772), (7787, 16464), (8232, 15574), (8386, 15288), (8918, 14376), (9584, 13377), (10192, 12579)]