251514720

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{6469}}^1$

素因数の和:6499

約数の個数: 144

約数和(自身を含む): 890220240

約数和(自身を除く): 638705520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6469, 6480, 7776, 9720, 12938, 12960, 19407, 19440, 25876, 32345, 38814, 38880, 51752, 58221, 64690, 77628, 97035, 103504, 116442, 129380, 155256, 174663, 194070, 207008, 232884, 258760, 291105, 310512, 349326, 388140, 465768, 517520, 523989, 582210, 621024, 698652, 776280, 873315, 931536, 1035040, 1047978, 1164420, 1397304, 1552560, 1571967, 1746630, 1863072, 2095956, 2328840, 2619945, 2794608, 3105120, 3143934, 3493260, 4191912, 4657680, 5239890, 5589216, 6287868, 6986520, 7859835, 8383824, 9315360, 10479780, 12575736, 13973040, 15719670, 16767648, 20959560, 25151472, 27946080, 31439340, 41919120, 50302944, 62878680, 83838240, 125757360, 251514720]

約数ペア:

[(1, 251514720), (2, 125757360), (3, 83838240), (4, 62878680), (5, 50302944), (6, 41919120), (8, 31439340), (9, 27946080), (10, 25151472), (12, 20959560), (15, 16767648), (16, 15719670), (18, 13973040), (20, 12575736), (24, 10479780), (27, 9315360), (30, 8383824), (32, 7859835), (36, 6986520), (40, 6287868), (45, 5589216), (48, 5239890), (54, 4657680), (60, 4191912), (72, 3493260), (80, 3143934), (81, 3105120), (90, 2794608), (96, 2619945), (108, 2328840), (120, 2095956), (135, 1863072), (144, 1746630), (160, 1571967), (162, 1552560), (180, 1397304), (216, 1164420), (240, 1047978), (243, 1035040), (270, 931536), (288, 873315), (324, 776280), (360, 698652), (405, 621024), (432, 582210), (480, 523989), (486, 517520), (540, 465768), (648, 388140), (720, 349326), (810, 310512), (864, 291105), (972, 258760), (1080, 232884), (1215, 207008), (1296, 194070), (1440, 174663), (1620, 155256), (1944, 129380), (2160, 116442), (2430, 103504), (2592, 97035), (3240, 77628), (3888, 64690), (4320, 58221), (4860, 51752), (6469, 38880), (6480, 38814), (7776, 32345), (9720, 25876), (12938, 19440), (12960, 19407)]