28002720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 88941888

約数和(自身を除く): 60939168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 227, 240, 257, 454, 480, 514, 681, 771, 908, 1028, 1135, 1285, 1362, 1542, 1816, 2056, 2270, 2570, 2724, 3084, 3405, 3632, 3855, 4112, 4540, 5140, 5448, 6168, 6810, 7264, 7710, 8224, 9080, 10280, 10896, 12336, 13620, 15420, 18160, 20560, 21792, 24672, 27240, 30840, 36320, 41120, 54480, 58339, 61680, 108960, 116678, 123360, 175017, 233356, 291695, 350034, 466712, 583390, 700068, 875085, 933424, 1166780, 1400136, 1750170, 1866848, 2333560, 2800272, 3500340, 4667120, 5600544, 7000680, 9334240, 14001360, 28002720]

約数ペア:

[(1, 28002720), (2, 14001360), (3, 9334240), (4, 7000680), (5, 5600544), (6, 4667120), (8, 3500340), (10, 2800272), (12, 2333560), (15, 1866848), (16, 1750170), (20, 1400136), (24, 1166780), (30, 933424), (32, 875085), (40, 700068), (48, 583390), (60, 466712), (80, 350034), (96, 291695), (120, 233356), (160, 175017), (227, 123360), (240, 116678), (257, 108960), (454, 61680), (480, 58339), (514, 54480), (681, 41120), (771, 36320), (908, 30840), (1028, 27240), (1135, 24672), (1285, 21792), (1362, 20560), (1542, 18160), (1816, 15420), (2056, 13620), (2270, 12336), (2570, 10896), (2724, 10280), (3084, 9080), (3405, 8224), (3632, 7710), (3855, 7264), (4112, 6810), (4540, 6168), (5140, 5448)]