71591360

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{547}}^1$

素因数の和:973

約数の個数: 56

約数和(自身を含む): 171206160

約数和(自身を除く): 99614800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 547, 818, 1094, 1636, 2045, 2188, 2735, 3272, 4090, 4376, 5470, 6544, 8180, 8752, 10940, 13088, 16360, 17504, 21880, 26176, 32720, 35008, 43760, 65440, 87520, 130880, 175040, 223723, 447446, 894892, 1118615, 1789784, 2237230, 3579568, 4474460, 7159136, 8948920, 14318272, 17897840, 35795680, 71591360]

約数ペア:

[(1, 71591360), (2, 35795680), (4, 17897840), (5, 14318272), (8, 8948920), (10, 7159136), (16, 4474460), (20, 3579568), (32, 2237230), (40, 1789784), (64, 1118615), (80, 894892), (160, 447446), (320, 223723), (409, 175040), (547, 130880), (818, 87520), (1094, 65440), (1636, 43760), (2045, 35008), (2188, 32720), (2735, 26176), (3272, 21880), (4090, 17504), (4376, 16360), (5470, 13088), (6544, 10940), (8180, 8752)]