138638880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2303

約数の個数: 144

約数和(自身を含む): 484323840

約数和(自身を除く): 345684960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2239, 2580, 3096, 3440, 3870, 4128, 4478, 5160, 6192, 6717, 6880, 7740, 8956, 10320, 11195, 12384, 13434, 15480, 17912, 20151, 20640, 22390, 26868, 30960, 33585, 35824, 40302, 44780, 53736, 61920, 67170, 71648, 80604, 89560, 96277, 100755, 107472, 134340, 161208, 179120, 192554, 201510, 214944, 268680, 288831, 322416, 358240, 385108, 403020, 481385, 537360, 577662, 644832, 770216, 806040, 866493, 962770, 1074720, 1155324, 1444155, 1540432, 1612080, 1732986, 1925540, 2310648, 2888310, 3080864, 3224160, 3465972, 3851080, 4332465, 4621296, 5776620, 6931944, 7702160, 8664930, 9242592, 11553240, 13863888, 15404320, 17329860, 23106480, 27727776, 34659720, 46212960, 69319440, 138638880]

約数ペア:

[(1, 138638880), (2, 69319440), (3, 46212960), (4, 34659720), (5, 27727776), (6, 23106480), (8, 17329860), (9, 15404320), (10, 13863888), (12, 11553240), (15, 9242592), (16, 8664930), (18, 7702160), (20, 6931944), (24, 5776620), (30, 4621296), (32, 4332465), (36, 3851080), (40, 3465972), (43, 3224160), (45, 3080864), (48, 2888310), (60, 2310648), (72, 1925540), (80, 1732986), (86, 1612080), (90, 1540432), (96, 1444155), (120, 1155324), (129, 1074720), (144, 962770), (160, 866493), (172, 806040), (180, 770216), (215, 644832), (240, 577662), (258, 537360), (288, 481385), (344, 403020), (360, 385108), (387, 358240), (430, 322416), (480, 288831), (516, 268680), (645, 214944), (688, 201510), (720, 192554), (774, 179120), (860, 161208), (1032, 134340), (1290, 107472), (1376, 100755), (1440, 96277), (1548, 89560), (1720, 80604), (1935, 71648), (2064, 67170), (2239, 61920), (2580, 53736), (3096, 44780), (3440, 40302), (3870, 35824), (4128, 33585), (4478, 30960), (5160, 26868), (6192, 22390), (6717, 20640), (6880, 20151), (7740, 17912), (8956, 15480), (10320, 13434), (11195, 12384)]