256205040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11731}}^1$

素因数の和:11767

約数の個数: 160

約数和(自身を含む): 977604096

約数和(自身を除く): 721399056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 11731, 21840, 23462, 35193, 46924, 58655, 70386, 82117, 93848, 117310, 140772, 152503, 164234, 175965, 187696, 234620, 246351, 281544, 305006, 328468, 351930, 410585, 457509, 469240, 492702, 563088, 610012, 656936, 703860, 762515, 821170, 915018, 938480, 985404, 1067521, 1220024, 1231755, 1313872, 1407720, 1525030, 1642340, 1830036, 1970808, 2135042, 2287545, 2440048, 2463510, 2815440, 3050060, 3202563, 3284680, 3660072, 3941616, 4270084, 4575090, 4927020, 5337605, 6100120, 6405126, 6569360, 7320144, 8540168, 9150180, 9854040, 10675210, 12200240, 12810252, 16012815, 17080336, 18300360, 19708080, 21350420, 25620504, 32025630, 36600720, 42700840, 51241008, 64051260, 85401680, 128102520, 256205040]

約数ペア:

[(1, 256205040), (2, 128102520), (3, 85401680), (4, 64051260), (5, 51241008), (6, 42700840), (7, 36600720), (8, 32025630), (10, 25620504), (12, 21350420), (13, 19708080), (14, 18300360), (15, 17080336), (16, 16012815), (20, 12810252), (21, 12200240), (24, 10675210), (26, 9854040), (28, 9150180), (30, 8540168), (35, 7320144), (39, 6569360), (40, 6405126), (42, 6100120), (48, 5337605), (52, 4927020), (56, 4575090), (60, 4270084), (65, 3941616), (70, 3660072), (78, 3284680), (80, 3202563), (84, 3050060), (91, 2815440), (104, 2463510), (105, 2440048), (112, 2287545), (120, 2135042), (130, 1970808), (140, 1830036), (156, 1642340), (168, 1525030), (182, 1407720), (195, 1313872), (208, 1231755), (210, 1220024), (240, 1067521), (260, 985404), (273, 938480), (280, 915018), (312, 821170), (336, 762515), (364, 703860), (390, 656936), (420, 610012), (455, 563088), (520, 492702), (546, 469240), (560, 457509), (624, 410585), (728, 351930), (780, 328468), (840, 305006), (910, 281544), (1040, 246351), (1092, 234620), (1365, 187696), (1456, 175965), (1560, 164234), (1680, 152503), (1820, 140772), (2184, 117310), (2730, 93848), (3120, 82117), (3640, 70386), (4368, 58655), (5460, 46924), (7280, 35193), (10920, 23462), (11731, 21840)]