1849860

素因数分解:

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

素因数の和:297

約数の個数: 72

約数和(自身を含む): 5765760

約数和(自身を除く): 3915900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 239, 258, 387, 430, 478, 516, 645, 717, 774, 860, 956, 1195, 1290, 1434, 1548, 1935, 2151, 2390, 2580, 2868, 3585, 3870, 4302, 4780, 7170, 7740, 8604, 10277, 10755, 14340, 20554, 21510, 30831, 41108, 43020, 51385, 61662, 92493, 102770, 123324, 154155, 184986, 205540, 308310, 369972, 462465, 616620, 924930, 1849860]

約数ペア:

[(1, 1849860), (2, 924930), (3, 616620), (4, 462465), (5, 369972), (6, 308310), (9, 205540), (10, 184986), (12, 154155), (15, 123324), (18, 102770), (20, 92493), (30, 61662), (36, 51385), (43, 43020), (45, 41108), (60, 30831), (86, 21510), (90, 20554), (129, 14340), (172, 10755), (180, 10277), (215, 8604), (239, 7740), (258, 7170), (387, 4780), (430, 4302), (478, 3870), (516, 3585), (645, 2868), (717, 2580), (774, 2390), (860, 2151), (956, 1935), (1195, 1548), (1290, 1434)]