54257920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 144224640

約数和(自身を除く): 89966720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 97, 115, 128, 152, 160, 184, 190, 194, 230, 256, 304, 320, 368, 380, 388, 437, 460, 485, 608, 640, 736, 760, 776, 874, 920, 970, 1216, 1280, 1472, 1520, 1552, 1748, 1840, 1843, 1940, 2185, 2231, 2432, 2944, 3040, 3104, 3496, 3680, 3686, 3880, 4370, 4462, 4864, 5888, 6080, 6208, 6992, 7360, 7372, 7760, 8740, 8924, 9215, 11155, 12160, 12416, 13984, 14720, 14744, 15520, 17480, 17848, 18430, 22310, 24320, 24832, 27968, 29440, 29488, 31040, 34960, 35696, 36860, 42389, 44620, 55936, 58976, 62080, 69920, 71392, 73720, 84778, 89240, 111872, 117952, 124160, 139840, 142784, 147440, 169556, 178480, 211945, 235904, 279680, 285568, 294880, 339112, 356960, 423890, 471808, 559360, 571136, 589760, 678224, 713920, 847780, 1179520, 1356448, 1427840, 1695560, 2359040, 2712896, 2855680, 3391120, 5425792, 6782240, 10851584, 13564480, 27128960, 54257920]

約数ペア:

[(1, 54257920), (2, 27128960), (4, 13564480), (5, 10851584), (8, 6782240), (10, 5425792), (16, 3391120), (19, 2855680), (20, 2712896), (23, 2359040), (32, 1695560), (38, 1427840), (40, 1356448), (46, 1179520), (64, 847780), (76, 713920), (80, 678224), (92, 589760), (95, 571136), (97, 559360), (115, 471808), (128, 423890), (152, 356960), (160, 339112), (184, 294880), (190, 285568), (194, 279680), (230, 235904), (256, 211945), (304, 178480), (320, 169556), (368, 147440), (380, 142784), (388, 139840), (437, 124160), (460, 117952), (485, 111872), (608, 89240), (640, 84778), (736, 73720), (760, 71392), (776, 69920), (874, 62080), (920, 58976), (970, 55936), (1216, 44620), (1280, 42389), (1472, 36860), (1520, 35696), (1552, 34960), (1748, 31040), (1840, 29488), (1843, 29440), (1940, 27968), (2185, 24832), (2231, 24320), (2432, 22310), (2944, 18430), (3040, 17848), (3104, 17480), (3496, 15520), (3680, 14744), (3686, 14720), (3880, 13984), (4370, 12416), (4462, 12160), (4864, 11155), (5888, 9215), (6080, 8924), (6208, 8740), (6992, 7760), (7360, 7372)]