1402604800

素因数分解:

$2^8\times 5^2\times {\mathrm{67}}^1\times {\mathrm{3271}}^1$

素因数の和:3364

約数の個数: 108

約数和(自身を含む): 3524559136

約数和(自身を除く): 2121954336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 128, 134, 160, 200, 256, 268, 320, 335, 400, 536, 640, 670, 800, 1072, 1280, 1340, 1600, 1675, 2144, 2680, 3200, 3271, 3350, 4288, 5360, 6400, 6542, 6700, 8576, 10720, 13084, 13400, 16355, 17152, 21440, 26168, 26800, 32710, 42880, 52336, 53600, 65420, 81775, 85760, 104672, 107200, 130840, 163550, 209344, 214400, 219157, 261680, 327100, 418688, 428800, 438314, 523360, 654200, 837376, 876628, 1046720, 1095785, 1308400, 1753256, 2093440, 2191570, 2616800, 3506512, 4186880, 4383140, 5233600, 5478925, 7013024, 8766280, 10467200, 10957850, 14026048, 17532560, 20934400, 21915700, 28052096, 35065120, 43831400, 56104192, 70130240, 87662800, 140260480, 175325600, 280520960, 350651200, 701302400, 1402604800]

約数ペア:

[(1, 1402604800), (2, 701302400), (4, 350651200), (5, 280520960), (8, 175325600), (10, 140260480), (16, 87662800), (20, 70130240), (25, 56104192), (32, 43831400), (40, 35065120), (50, 28052096), (64, 21915700), (67, 20934400), (80, 17532560), (100, 14026048), (128, 10957850), (134, 10467200), (160, 8766280), (200, 7013024), (256, 5478925), (268, 5233600), (320, 4383140), (335, 4186880), (400, 3506512), (536, 2616800), (640, 2191570), (670, 2093440), (800, 1753256), (1072, 1308400), (1280, 1095785), (1340, 1046720), (1600, 876628), (1675, 837376), (2144, 654200), (2680, 523360), (3200, 438314), (3271, 428800), (3350, 418688), (4288, 327100), (5360, 261680), (6400, 219157), (6542, 214400), (6700, 209344), (8576, 163550), (10720, 130840), (13084, 107200), (13400, 104672), (16355, 85760), (17152, 81775), (21440, 65420), (26168, 53600), (26800, 52336), (32710, 42880)]