1913728640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{467}}^1$

素因数の和:842

約数の個数: 128

約数和(自身を含む): 4840430400

約数和(自身を除く): 2926701760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 337, 380, 467, 608, 640, 674, 760, 934, 1216, 1348, 1520, 1685, 1868, 2335, 2432, 2696, 3040, 3370, 3736, 4670, 5392, 6080, 6403, 6740, 7472, 8873, 9340, 10784, 12160, 12806, 13480, 14944, 17746, 18680, 21568, 25612, 26960, 29888, 32015, 35492, 37360, 43136, 44365, 51224, 53920, 59776, 64030, 70984, 74720, 88730, 102448, 107840, 128060, 141968, 149440, 157379, 177460, 204896, 215680, 256120, 283936, 298880, 314758, 354920, 409792, 512240, 567872, 629516, 709840, 786895, 819584, 1024480, 1135744, 1259032, 1419680, 1573790, 2048960, 2518064, 2839360, 2990201, 3147580, 4097920, 5036128, 5678720, 5980402, 6295160, 10072256, 11960804, 12590320, 14951005, 20144512, 23921608, 25180640, 29902010, 47843216, 50361280, 59804020, 95686432, 100722560, 119608040, 191372864, 239216080, 382745728, 478432160, 956864320, 1913728640]

約数ペア:

[(1, 1913728640), (2, 956864320), (4, 478432160), (5, 382745728), (8, 239216080), (10, 191372864), (16, 119608040), (19, 100722560), (20, 95686432), (32, 59804020), (38, 50361280), (40, 47843216), (64, 29902010), (76, 25180640), (80, 23921608), (95, 20144512), (128, 14951005), (152, 12590320), (160, 11960804), (190, 10072256), (304, 6295160), (320, 5980402), (337, 5678720), (380, 5036128), (467, 4097920), (608, 3147580), (640, 2990201), (674, 2839360), (760, 2518064), (934, 2048960), (1216, 1573790), (1348, 1419680), (1520, 1259032), (1685, 1135744), (1868, 1024480), (2335, 819584), (2432, 786895), (2696, 709840), (3040, 629516), (3370, 567872), (3736, 512240), (4670, 409792), (5392, 354920), (6080, 314758), (6403, 298880), (6740, 283936), (7472, 256120), (8873, 215680), (9340, 204896), (10784, 177460), (12160, 157379), (12806, 149440), (13480, 141968), (14944, 128060), (17746, 107840), (18680, 102448), (21568, 88730), (25612, 74720), (26960, 70984), (29888, 64030), (32015, 59776), (35492, 53920), (37360, 51224), (43136, 44365)]