181925820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2251}}^1$

素因数の和:2715

約数の個数: 72

約数和(自身を含む): 553316400

約数和(自身を除く): 371390580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2251, 2694, 4041, 4490, 4502, 5388, 6735, 6753, 8082, 8980, 9004, 11255, 13470, 13506, 16164, 20205, 20259, 22510, 26940, 27012, 33765, 40410, 40518, 45020, 67530, 80820, 81036, 101295, 135060, 202590, 405180, 1010699, 2021398, 3032097, 4042796, 5053495, 6064194, 9096291, 10106990, 12128388, 15160485, 18192582, 20213980, 30320970, 36385164, 45481455, 60641940, 90962910, 181925820]

約数ペア:

[(1, 181925820), (2, 90962910), (3, 60641940), (4, 45481455), (5, 36385164), (6, 30320970), (9, 20213980), (10, 18192582), (12, 15160485), (15, 12128388), (18, 10106990), (20, 9096291), (30, 6064194), (36, 5053495), (45, 4042796), (60, 3032097), (90, 2021398), (180, 1010699), (449, 405180), (898, 202590), (1347, 135060), (1796, 101295), (2245, 81036), (2251, 80820), (2694, 67530), (4041, 45020), (4490, 40518), (4502, 40410), (5388, 33765), (6735, 27012), (6753, 26940), (8082, 22510), (8980, 20259), (9004, 20205), (11255, 16164), (13470, 13506)]