257725120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 168

約数和(自身を含む): 682837344

約数和(自身を除く): 425112224

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 97, 115, 152, 160, 184, 190, 194, 230, 304, 320, 361, 368, 380, 388, 437, 460, 485, 608, 722, 736, 760, 776, 874, 920, 970, 1216, 1444, 1472, 1520, 1552, 1748, 1805, 1840, 1843, 1940, 2185, 2231, 2888, 3040, 3104, 3496, 3610, 3680, 3686, 3880, 4370, 4462, 5776, 6080, 6208, 6992, 7220, 7360, 7372, 7760, 8303, 8740, 8924, 9215, 11155, 11552, 13984, 14440, 14744, 15520, 16606, 17480, 17848, 18430, 22310, 23104, 27968, 28880, 29488, 31040, 33212, 34960, 35017, 35696, 36860, 41515, 42389, 44620, 57760, 58976, 66424, 69920, 70034, 71392, 73720, 83030, 84778, 89240, 115520, 117952, 132848, 139840, 140068, 142784, 147440, 166060, 169556, 175085, 178480, 211945, 265696, 280136, 294880, 332120, 339112, 350170, 356960, 423890, 531392, 560272, 589760, 664240, 678224, 700340, 713920, 805391, 847780, 1120544, 1328480, 1356448, 1400680, 1610782, 1695560, 2241088, 2656960, 2712896, 2801360, 3221564, 3391120, 4026955, 5602720, 6443128, 6782240, 8053910, 11205440, 12886256, 13564480, 16107820, 25772512, 32215640, 51545024, 64431280, 128862560, 257725120]

約数ペア:

[(1, 257725120), (2, 128862560), (4, 64431280), (5, 51545024), (8, 32215640), (10, 25772512), (16, 16107820), (19, 13564480), (20, 12886256), (23, 11205440), (32, 8053910), (38, 6782240), (40, 6443128), (46, 5602720), (64, 4026955), (76, 3391120), (80, 3221564), (92, 2801360), (95, 2712896), (97, 2656960), (115, 2241088), (152, 1695560), (160, 1610782), (184, 1400680), (190, 1356448), (194, 1328480), (230, 1120544), (304, 847780), (320, 805391), (361, 713920), (368, 700340), (380, 678224), (388, 664240), (437, 589760), (460, 560272), (485, 531392), (608, 423890), (722, 356960), (736, 350170), (760, 339112), (776, 332120), (874, 294880), (920, 280136), (970, 265696), (1216, 211945), (1444, 178480), (1472, 175085), (1520, 169556), (1552, 166060), (1748, 147440), (1805, 142784), (1840, 140068), (1843, 139840), (1940, 132848), (2185, 117952), (2231, 115520), (2888, 89240), (3040, 84778), (3104, 83030), (3496, 73720), (3610, 71392), (3680, 70034), (3686, 69920), (3880, 66424), (4370, 58976), (4462, 57760), (5776, 44620), (6080, 42389), (6208, 41515), (6992, 36860), (7220, 35696), (7360, 35017), (7372, 34960), (7760, 33212), (8303, 31040), (8740, 29488), (8924, 28880), (9215, 27968), (11155, 23104), (11552, 22310), (13984, 18430), (14440, 17848), (14744, 17480), (15520, 16606)]