1529780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{223}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 3763200

約数和(自身を除く): 2233420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 343, 446, 490, 686, 892, 980, 1115, 1372, 1561, 1715, 2230, 3122, 3430, 4460, 6244, 6860, 7805, 10927, 15610, 21854, 31220, 43708, 54635, 76489, 109270, 152978, 218540, 305956, 382445, 764890, 1529780]

約数ペア:

[(1, 1529780), (2, 764890), (4, 382445), (5, 305956), (7, 218540), (10, 152978), (14, 109270), (20, 76489), (28, 54635), (35, 43708), (49, 31220), (70, 21854), (98, 15610), (140, 10927), (196, 7805), (223, 6860), (245, 6244), (343, 4460), (446, 3430), (490, 3122), (686, 2230), (892, 1715), (980, 1561), (1115, 1372)]