38321820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1009}}^1$

素因数の和:1235

約数の個数: 72

約数和(自身を含む): 116909520

約数和(自身を除く): 78587700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1009, 1055, 1266, 1899, 2018, 2110, 2532, 3027, 3165, 3798, 4036, 4220, 5045, 6054, 6330, 7596, 9081, 9495, 10090, 12108, 12660, 15135, 18162, 18990, 20180, 30270, 36324, 37980, 45405, 60540, 90810, 181620, 212899, 425798, 638697, 851596, 1064495, 1277394, 1916091, 2128990, 2554788, 3193485, 3832182, 4257980, 6386970, 7664364, 9580455, 12773940, 19160910, 38321820]

約数ペア:

[(1, 38321820), (2, 19160910), (3, 12773940), (4, 9580455), (5, 7664364), (6, 6386970), (9, 4257980), (10, 3832182), (12, 3193485), (15, 2554788), (18, 2128990), (20, 1916091), (30, 1277394), (36, 1064495), (45, 851596), (60, 638697), (90, 425798), (180, 212899), (211, 181620), (422, 90810), (633, 60540), (844, 45405), (1009, 37980), (1055, 36324), (1266, 30270), (1899, 20180), (2018, 18990), (2110, 18162), (2532, 15135), (3027, 12660), (3165, 12108), (3798, 10090), (4036, 9495), (4220, 9081), (5045, 7596), (6054, 6330)]