256506120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2383}}^1$

素因数の和:2436

約数の個数: 192

約数和(自身を含む): 937198080

約数和(自身を除く): 680691960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 52, 60, 65, 69, 72, 78, 90, 92, 104, 115, 117, 120, 130, 138, 156, 180, 184, 195, 207, 230, 234, 260, 276, 299, 312, 345, 360, 390, 414, 460, 468, 520, 552, 585, 598, 690, 780, 828, 897, 920, 936, 1035, 1170, 1196, 1380, 1495, 1560, 1656, 1794, 2070, 2340, 2383, 2392, 2691, 2760, 2990, 3588, 4140, 4485, 4680, 4766, 5382, 5980, 7149, 7176, 8280, 8970, 9532, 10764, 11915, 11960, 13455, 14298, 17940, 19064, 21447, 21528, 23830, 26910, 28596, 30979, 35745, 35880, 42894, 47660, 53820, 54809, 57192, 61958, 71490, 85788, 92937, 95320, 107235, 107640, 109618, 123916, 142980, 154895, 164427, 171576, 185874, 214470, 219236, 247832, 274045, 278811, 285960, 309790, 328854, 371748, 428940, 438472, 464685, 493281, 548090, 557622, 619580, 657708, 712517, 743496, 822135, 857880, 929370, 986562, 1096180, 1115244, 1239160, 1315416, 1394055, 1425034, 1644270, 1858740, 1973124, 2137551, 2192360, 2230488, 2466405, 2788110, 2850068, 3288540, 3562585, 3717480, 3946248, 4275102, 4932810, 5576220, 5700136, 6412653, 6577080, 7125170, 8550204, 9865620, 10687755, 11152440, 12825306, 14250340, 17100408, 19731240, 21375510, 25650612, 28500680, 32063265, 42751020, 51301224, 64126530, 85502040, 128253060, 256506120]

約数ペア:

[(1, 256506120), (2, 128253060), (3, 85502040), (4, 64126530), (5, 51301224), (6, 42751020), (8, 32063265), (9, 28500680), (10, 25650612), (12, 21375510), (13, 19731240), (15, 17100408), (18, 14250340), (20, 12825306), (23, 11152440), (24, 10687755), (26, 9865620), (30, 8550204), (36, 7125170), (39, 6577080), (40, 6412653), (45, 5700136), (46, 5576220), (52, 4932810), (60, 4275102), (65, 3946248), (69, 3717480), (72, 3562585), (78, 3288540), (90, 2850068), (92, 2788110), (104, 2466405), (115, 2230488), (117, 2192360), (120, 2137551), (130, 1973124), (138, 1858740), (156, 1644270), (180, 1425034), (184, 1394055), (195, 1315416), (207, 1239160), (230, 1115244), (234, 1096180), (260, 986562), (276, 929370), (299, 857880), (312, 822135), (345, 743496), (360, 712517), (390, 657708), (414, 619580), (460, 557622), (468, 548090), (520, 493281), (552, 464685), (585, 438472), (598, 428940), (690, 371748), (780, 328854), (828, 309790), (897, 285960), (920, 278811), (936, 274045), (1035, 247832), (1170, 219236), (1196, 214470), (1380, 185874), (1495, 171576), (1560, 164427), (1656, 154895), (1794, 142980), (2070, 123916), (2340, 109618), (2383, 107640), (2392, 107235), (2691, 95320), (2760, 92937), (2990, 85788), (3588, 71490), (4140, 61958), (4485, 57192), (4680, 54809), (4766, 53820), (5382, 47660), (5980, 42894), (7149, 35880), (7176, 35745), (8280, 30979), (8970, 28596), (9532, 26910), (10764, 23830), (11915, 21528), (11960, 21447), (13455, 19064), (14298, 17940)]