1643418880

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19163}}^1$

素因数の和:19251

約数の個数: 72

約数和(自身を含む): 3995464032

約数和(自身を除く): 2352045152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 1072, 1280, 1340, 2144, 2680, 4288, 5360, 8576, 10720, 17152, 19163, 21440, 38326, 42880, 76652, 85760, 95815, 153304, 191630, 306608, 383260, 613216, 766520, 1226432, 1283921, 1533040, 2452864, 2567842, 3066080, 4905728, 5135684, 6132160, 6419605, 10271368, 12264320, 12839210, 20542736, 24528640, 25678420, 41085472, 51356840, 82170944, 102713680, 164341888, 205427360, 328683776, 410854720, 821709440, 1643418880]

約数ペア:

[(1, 1643418880), (2, 821709440), (4, 410854720), (5, 328683776), (8, 205427360), (10, 164341888), (16, 102713680), (20, 82170944), (32, 51356840), (40, 41085472), (64, 25678420), (67, 24528640), (80, 20542736), (128, 12839210), (134, 12264320), (160, 10271368), (256, 6419605), (268, 6132160), (320, 5135684), (335, 4905728), (536, 3066080), (640, 2567842), (670, 2452864), (1072, 1533040), (1280, 1283921), (1340, 1226432), (2144, 766520), (2680, 613216), (4288, 383260), (5360, 306608), (8576, 191630), (10720, 153304), (17152, 95815), (19163, 85760), (21440, 76652), (38326, 42880)]