123220920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4091}}^1$

素因数の和:4356

約数の個数: 64

約数和(自身を含む): 371226240

約数和(自身を除く): 248005320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4091, 5020, 6024, 7530, 8182, 10040, 12273, 15060, 16364, 20455, 24546, 30120, 32728, 40910, 49092, 61365, 81820, 98184, 122730, 163640, 245460, 490920, 1026841, 2053682, 3080523, 4107364, 5134205, 6161046, 8214728, 10268410, 12322092, 15402615, 20536820, 24644184, 30805230, 41073640, 61610460, 123220920]

約数ペア:

[(1, 123220920), (2, 61610460), (3, 41073640), (4, 30805230), (5, 24644184), (6, 20536820), (8, 15402615), (10, 12322092), (12, 10268410), (15, 8214728), (20, 6161046), (24, 5134205), (30, 4107364), (40, 3080523), (60, 2053682), (120, 1026841), (251, 490920), (502, 245460), (753, 163640), (1004, 122730), (1255, 98184), (1506, 81820), (2008, 61365), (2510, 49092), (3012, 40910), (3765, 32728), (4091, 30120), (5020, 24546), (6024, 20455), (7530, 16364), (8182, 15060), (10040, 12273)]