254146880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:536

約数の個数: 112

約数和(自身を含む): 657148800

約数和(自身を除く): 403001920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 199, 208, 260, 307, 320, 398, 416, 520, 614, 796, 832, 995, 1040, 1228, 1535, 1592, 1990, 2080, 2456, 2587, 3070, 3184, 3980, 3991, 4160, 4912, 5174, 6140, 6368, 7960, 7982, 9824, 10348, 12280, 12736, 12935, 15920, 15964, 19648, 19955, 20696, 24560, 25870, 31840, 31928, 39910, 41392, 49120, 51740, 61093, 63680, 63856, 79820, 82784, 98240, 103480, 122186, 127712, 159640, 165568, 206960, 244372, 255424, 305465, 319280, 413920, 488744, 610930, 638560, 794209, 827840, 977488, 1221860, 1277120, 1588418, 1954976, 2443720, 3176836, 3909952, 3971045, 4887440, 6353672, 7942090, 9774880, 12707344, 15884180, 19549760, 25414688, 31768360, 50829376, 63536720, 127073440, 254146880]

約数ペア:

[(1, 254146880), (2, 127073440), (4, 63536720), (5, 50829376), (8, 31768360), (10, 25414688), (13, 19549760), (16, 15884180), (20, 12707344), (26, 9774880), (32, 7942090), (40, 6353672), (52, 4887440), (64, 3971045), (65, 3909952), (80, 3176836), (104, 2443720), (130, 1954976), (160, 1588418), (199, 1277120), (208, 1221860), (260, 977488), (307, 827840), (320, 794209), (398, 638560), (416, 610930), (520, 488744), (614, 413920), (796, 319280), (832, 305465), (995, 255424), (1040, 244372), (1228, 206960), (1535, 165568), (1592, 159640), (1990, 127712), (2080, 122186), (2456, 103480), (2587, 98240), (3070, 82784), (3184, 79820), (3980, 63856), (3991, 63680), (4160, 61093), (4912, 51740), (5174, 49120), (6140, 41392), (6368, 39910), (7960, 31928), (7982, 31840), (9824, 25870), (10348, 24560), (12280, 20696), (12736, 19955), (12935, 19648), (15920, 15964)]