1440816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2309}}^1$

素因数の和:2333

約数の個数: 40

約数和(自身を含む): 4010160

約数和(自身を除く): 2569344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 2309, 4618, 6927, 9236, 13854, 18472, 27708, 30017, 36944, 55416, 60034, 90051, 110832, 120068, 180102, 240136, 360204, 480272, 720408, 1440816]

約数ペア:

[(1, 1440816), (2, 720408), (3, 480272), (4, 360204), (6, 240136), (8, 180102), (12, 120068), (13, 110832), (16, 90051), (24, 60034), (26, 55416), (39, 36944), (48, 30017), (52, 27708), (78, 18472), (104, 13854), (156, 9236), (208, 6927), (312, 4618), (624, 2309)]