19601640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54449}}^1$

素因数の和:54466

約数の個数: 48

約数和(自身を含む): 63706500

約数和(自身を除く): 44104860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54449, 108898, 163347, 217796, 272245, 326694, 435592, 490041, 544490, 653388, 816735, 980082, 1088980, 1306776, 1633470, 1960164, 2177960, 2450205, 3266940, 3920328, 4900410, 6533880, 9800820, 19601640]

約数ペア:

[(1, 19601640), (2, 9800820), (3, 6533880), (4, 4900410), (5, 3920328), (6, 3266940), (8, 2450205), (9, 2177960), (10, 1960164), (12, 1633470), (15, 1306776), (18, 1088980), (20, 980082), (24, 816735), (30, 653388), (36, 544490), (40, 490041), (45, 435592), (60, 326694), (72, 272245), (90, 217796), (120, 163347), (180, 108898), (360, 54449)]