251151840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19379}}^1$

素因数の和:19406

約数の個数: 120

約数和(自身を含む): 886402440

約数和(自身を除く): 635250600

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, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19379, 38758, 58137, 77516, 96895, 116274, 155032, 174411, 193790, 232548, 290685, 310064, 348822, 387580, 465096, 523233, 581370, 620128, 697644, 775160, 872055, 930192, 1046466, 1162740, 1395288, 1550320, 1569699, 1744110, 1860384, 2092932, 2325480, 2616165, 2790576, 3100640, 3139398, 3488220, 4185864, 4650960, 5232330, 5581152, 6278796, 6976440, 7848495, 8371728, 9301920, 10464660, 12557592, 13952880, 15696990, 16743456, 20929320, 25115184, 27905760, 31393980, 41858640, 50230368, 62787960, 83717280, 125575920, 251151840]

約数ペア:

[(1, 251151840), (2, 125575920), (3, 83717280), (4, 62787960), (5, 50230368), (6, 41858640), (8, 31393980), (9, 27905760), (10, 25115184), (12, 20929320), (15, 16743456), (16, 15696990), (18, 13952880), (20, 12557592), (24, 10464660), (27, 9301920), (30, 8371728), (32, 7848495), (36, 6976440), (40, 6278796), (45, 5581152), (48, 5232330), (54, 4650960), (60, 4185864), (72, 3488220), (80, 3139398), (81, 3100640), (90, 2790576), (96, 2616165), (108, 2325480), (120, 2092932), (135, 1860384), (144, 1744110), (160, 1569699), (162, 1550320), (180, 1395288), (216, 1162740), (240, 1046466), (270, 930192), (288, 872055), (324, 775160), (360, 697644), (405, 620128), (432, 581370), (480, 523233), (540, 465096), (648, 387580), (720, 348822), (810, 310064), (864, 290685), (1080, 232548), (1296, 193790), (1440, 174411), (1620, 155032), (2160, 116274), (2592, 96895), (3240, 77516), (4320, 58137), (6480, 38758), (12960, 19379)]