68991840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47911}}^1$

素因数の和:47932

約数の個数: 72

約数和(自身を含む): 235439568

約数和(自身を除く): 166447728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 47911, 95822, 143733, 191644, 239555, 287466, 383288, 431199, 479110, 574932, 718665, 766576, 862398, 958220, 1149864, 1437330, 1533152, 1724796, 1916440, 2155995, 2299728, 2874660, 3449592, 3832880, 4311990, 4599456, 5749320, 6899184, 7665760, 8623980, 11498640, 13798368, 17247960, 22997280, 34495920, 68991840]

約数ペア:

[(1, 68991840), (2, 34495920), (3, 22997280), (4, 17247960), (5, 13798368), (6, 11498640), (8, 8623980), (9, 7665760), (10, 6899184), (12, 5749320), (15, 4599456), (16, 4311990), (18, 3832880), (20, 3449592), (24, 2874660), (30, 2299728), (32, 2155995), (36, 1916440), (40, 1724796), (45, 1533152), (48, 1437330), (60, 1149864), (72, 958220), (80, 862398), (90, 766576), (96, 718665), (120, 574932), (144, 479110), (160, 431199), (180, 383288), (240, 287466), (288, 239555), (360, 191644), (480, 143733), (720, 95822), (1440, 47911)]