279075520

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 112

約数和(自身を含む): 691286400

約数和(自身を除く): 412210880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 89, 160, 164, 178, 205, 239, 320, 328, 356, 410, 445, 478, 656, 712, 820, 890, 956, 1195, 1312, 1424, 1640, 1780, 1912, 2390, 2624, 2848, 3280, 3560, 3649, 3824, 4780, 5696, 6560, 7120, 7298, 7648, 9560, 9799, 13120, 14240, 14596, 15296, 18245, 19120, 19598, 21271, 28480, 29192, 36490, 38240, 39196, 42542, 48995, 58384, 72980, 76480, 78392, 85084, 97990, 106355, 116768, 145960, 156784, 170168, 195980, 212710, 233536, 291920, 313568, 340336, 391960, 425420, 583840, 627136, 680672, 783920, 850840, 872111, 1167680, 1361344, 1567840, 1701680, 1744222, 3135680, 3403360, 3488444, 4360555, 6806720, 6976888, 8721110, 13953776, 17442220, 27907552, 34884440, 55815104, 69768880, 139537760, 279075520]

約数ペア:

[(1, 279075520), (2, 139537760), (4, 69768880), (5, 55815104), (8, 34884440), (10, 27907552), (16, 17442220), (20, 13953776), (32, 8721110), (40, 6976888), (41, 6806720), (64, 4360555), (80, 3488444), (82, 3403360), (89, 3135680), (160, 1744222), (164, 1701680), (178, 1567840), (205, 1361344), (239, 1167680), (320, 872111), (328, 850840), (356, 783920), (410, 680672), (445, 627136), (478, 583840), (656, 425420), (712, 391960), (820, 340336), (890, 313568), (956, 291920), (1195, 233536), (1312, 212710), (1424, 195980), (1640, 170168), (1780, 156784), (1912, 145960), (2390, 116768), (2624, 106355), (2848, 97990), (3280, 85084), (3560, 78392), (3649, 76480), (3824, 72980), (4780, 58384), (5696, 48995), (6560, 42542), (7120, 39196), (7298, 38240), (7648, 36490), (9560, 29192), (9799, 28480), (13120, 21271), (14240, 19598), (14596, 19120), (15296, 18245)]