31159440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3329}}^1$

素因数の和:3361

約数の個数: 120

約数和(自身を含む): 112727160

約数和(自身を除く): 81567720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 3329, 4680, 6658, 9360, 9987, 13316, 16645, 19974, 26632, 29961, 33290, 39948, 43277, 49935, 53264, 59922, 66580, 79896, 86554, 99870, 119844, 129831, 133160, 149805, 159792, 173108, 199740, 216385, 239688, 259662, 266320, 299610, 346216, 389493, 399480, 432770, 479376, 519324, 599220, 649155, 692432, 778986, 798960, 865540, 1038648, 1198440, 1298310, 1557972, 1731080, 1947465, 2077296, 2396880, 2596620, 3115944, 3462160, 3894930, 5193240, 6231888, 7789860, 10386480, 15579720, 31159440]

約数ペア:

[(1, 31159440), (2, 15579720), (3, 10386480), (4, 7789860), (5, 6231888), (6, 5193240), (8, 3894930), (9, 3462160), (10, 3115944), (12, 2596620), (13, 2396880), (15, 2077296), (16, 1947465), (18, 1731080), (20, 1557972), (24, 1298310), (26, 1198440), (30, 1038648), (36, 865540), (39, 798960), (40, 778986), (45, 692432), (48, 649155), (52, 599220), (60, 519324), (65, 479376), (72, 432770), (78, 399480), (80, 389493), (90, 346216), (104, 299610), (117, 266320), (120, 259662), (130, 239688), (144, 216385), (156, 199740), (180, 173108), (195, 159792), (208, 149805), (234, 133160), (240, 129831), (260, 119844), (312, 99870), (360, 86554), (390, 79896), (468, 66580), (520, 59922), (585, 53264), (624, 49935), (720, 43277), (780, 39948), (936, 33290), (1040, 29961), (1170, 26632), (1560, 19974), (1872, 16645), (2340, 13316), (3120, 9987), (3329, 9360), (4680, 6658)]