31548240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1081

約数の個数: 120

約数和(自身を含む): 108519840

約数和(自身を除く): 76971600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1019, 1032, 1290, 1548, 1720, 1935, 2038, 2064, 2580, 3057, 3096, 3440, 3870, 4076, 5095, 5160, 6114, 6192, 7740, 8152, 9171, 10190, 10320, 12228, 15285, 15480, 16304, 18342, 20380, 24456, 30570, 30960, 36684, 40760, 43817, 45855, 48912, 61140, 73368, 81520, 87634, 91710, 122280, 131451, 146736, 175268, 183420, 219085, 244560, 262902, 350536, 366840, 394353, 438170, 525804, 657255, 701072, 733680, 788706, 876340, 1051608, 1314510, 1577412, 1752680, 1971765, 2103216, 2629020, 3154824, 3505360, 3943530, 5258040, 6309648, 7887060, 10516080, 15774120, 31548240]

約数ペア:

[(1, 31548240), (2, 15774120), (3, 10516080), (4, 7887060), (5, 6309648), (6, 5258040), (8, 3943530), (9, 3505360), (10, 3154824), (12, 2629020), (15, 2103216), (16, 1971765), (18, 1752680), (20, 1577412), (24, 1314510), (30, 1051608), (36, 876340), (40, 788706), (43, 733680), (45, 701072), (48, 657255), (60, 525804), (72, 438170), (80, 394353), (86, 366840), (90, 350536), (120, 262902), (129, 244560), (144, 219085), (172, 183420), (180, 175268), (215, 146736), (240, 131451), (258, 122280), (344, 91710), (360, 87634), (387, 81520), (430, 73368), (516, 61140), (645, 48912), (688, 45855), (720, 43817), (774, 40760), (860, 36684), (1019, 30960), (1032, 30570), (1290, 24456), (1548, 20380), (1720, 18342), (1935, 16304), (2038, 15480), (2064, 15285), (2580, 12228), (3057, 10320), (3096, 10190), (3440, 9171), (3870, 8152), (4076, 7740), (5095, 6192), (5160, 6114)]