66406920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1109}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 199800000

約数和(自身を除く): 133393080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 998, 1109, 1497, 1996, 2218, 2495, 2994, 3327, 3992, 4436, 4990, 5545, 5988, 6654, 7485, 8872, 9980, 11090, 11976, 13308, 14970, 16635, 19960, 22180, 26616, 29940, 33270, 44360, 59880, 66540, 133080, 553391, 1106782, 1660173, 2213564, 2766955, 3320346, 4427128, 5533910, 6640692, 8300865, 11067820, 13281384, 16601730, 22135640, 33203460, 66406920]

約数ペア:

[(1, 66406920), (2, 33203460), (3, 22135640), (4, 16601730), (5, 13281384), (6, 11067820), (8, 8300865), (10, 6640692), (12, 5533910), (15, 4427128), (20, 3320346), (24, 2766955), (30, 2213564), (40, 1660173), (60, 1106782), (120, 553391), (499, 133080), (998, 66540), (1109, 59880), (1497, 44360), (1996, 33270), (2218, 29940), (2495, 26616), (2994, 22180), (3327, 19960), (3992, 16635), (4436, 14970), (4990, 13308), (5545, 11976), (5988, 11090), (6654, 9980), (7485, 8872)]