2165340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 6128640

約数和(自身を除く): 3963300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 239, 302, 453, 478, 604, 717, 755, 906, 956, 1195, 1434, 1510, 1812, 2265, 2390, 2868, 3020, 3585, 4530, 4780, 7170, 9060, 14340, 36089, 72178, 108267, 144356, 180445, 216534, 360890, 433068, 541335, 721780, 1082670, 2165340]

約数ペア:

[(1, 2165340), (2, 1082670), (3, 721780), (4, 541335), (5, 433068), (6, 360890), (10, 216534), (12, 180445), (15, 144356), (20, 108267), (30, 72178), (60, 36089), (151, 14340), (239, 9060), (302, 7170), (453, 4780), (478, 4530), (604, 3585), (717, 3020), (755, 2868), (906, 2390), (956, 2265), (1195, 1812), (1434, 1510)]