16648740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 53665920

約数和(自身を除く): 37017180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 239, 258, 270, 324, 387, 405, 430, 478, 516, 540, 645, 717, 774, 810, 860, 956, 1161, 1195, 1290, 1434, 1548, 1620, 1935, 2151, 2322, 2390, 2580, 2868, 3483, 3585, 3870, 4302, 4644, 4780, 5805, 6453, 6966, 7170, 7740, 8604, 10277, 10755, 11610, 12906, 13932, 14340, 17415, 19359, 20554, 21510, 23220, 25812, 30831, 32265, 34830, 38718, 41108, 43020, 51385, 61662, 64530, 69660, 77436, 92493, 96795, 102770, 123324, 129060, 154155, 184986, 193590, 205540, 277479, 308310, 369972, 387180, 462465, 554958, 616620, 832437, 924930, 1109916, 1387395, 1664874, 1849860, 2774790, 3329748, 4162185, 5549580, 8324370, 16648740]

約数ペア:

[(1, 16648740), (2, 8324370), (3, 5549580), (4, 4162185), (5, 3329748), (6, 2774790), (9, 1849860), (10, 1664874), (12, 1387395), (15, 1109916), (18, 924930), (20, 832437), (27, 616620), (30, 554958), (36, 462465), (43, 387180), (45, 369972), (54, 308310), (60, 277479), (81, 205540), (86, 193590), (90, 184986), (108, 154155), (129, 129060), (135, 123324), (162, 102770), (172, 96795), (180, 92493), (215, 77436), (239, 69660), (258, 64530), (270, 61662), (324, 51385), (387, 43020), (405, 41108), (430, 38718), (478, 34830), (516, 32265), (540, 30831), (645, 25812), (717, 23220), (774, 21510), (810, 20554), (860, 19359), (956, 17415), (1161, 14340), (1195, 13932), (1290, 12906), (1434, 11610), (1548, 10755), (1620, 10277), (1935, 8604), (2151, 7740), (2322, 7170), (2390, 6966), (2580, 6453), (2868, 5805), (3483, 4780), (3585, 4644), (3870, 4302)]