1245494820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{49307}}^1$

素因数の和:49740

約数の個数: 48

約数和(自身を含む): 3495739968

約数和(自身を除く): 2250245148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1263, 1684, 2105, 2526, 4210, 5052, 6315, 8420, 12630, 25260, 49307, 98614, 147921, 197228, 246535, 295842, 493070, 591684, 739605, 986140, 1479210, 2958420, 20758247, 41516494, 62274741, 83032988, 103791235, 124549482, 207582470, 249098964, 311373705, 415164940, 622747410, 1245494820]

約数ペア:

[(1, 1245494820), (2, 622747410), (3, 415164940), (4, 311373705), (5, 249098964), (6, 207582470), (10, 124549482), (12, 103791235), (15, 83032988), (20, 62274741), (30, 41516494), (60, 20758247), (421, 2958420), (842, 1479210), (1263, 986140), (1684, 739605), (2105, 591684), (2526, 493070), (4210, 295842), (5052, 246535), (6315, 197228), (8420, 147921), (12630, 98614), (25260, 49307)]