15207866020

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1\times {\mathrm{6857}}^1$

素因数の和:7680

約数の個数: 48

約数和(自身を含む): 32175925488

約数和(自身を除く): 16968059468

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 641, 692, 865, 1282, 1730, 2564, 3205, 3460, 6410, 6857, 12820, 13714, 27428, 34285, 68570, 110893, 137140, 221786, 443572, 554465, 1108930, 1186261, 2217860, 2372522, 4395337, 4745044, 5931305, 8790674, 11862610, 17581348, 21976685, 23725220, 43953370, 87906740, 760393301, 1520786602, 3041573204, 3801966505, 7603933010, 15207866020]

約数ペア:

[(1, 15207866020), (2, 7603933010), (4, 3801966505), (5, 3041573204), (10, 1520786602), (20, 760393301), (173, 87906740), (346, 43953370), (641, 23725220), (692, 21976685), (865, 17581348), (1282, 11862610), (1730, 8790674), (2564, 5931305), (3205, 4745044), (3460, 4395337), (6410, 2372522), (6857, 2217860), (12820, 1186261), (13714, 1108930), (27428, 554465), (34285, 443572), (68570, 221786), (110893, 137140)]