51831540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1447}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 158121600

約数和(自身を除く): 106290060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1447, 1791, 1990, 2388, 2894, 2985, 3582, 3980, 4341, 5788, 5970, 7164, 7235, 8682, 8955, 11940, 13023, 14470, 17364, 17910, 21705, 26046, 28940, 35820, 43410, 52092, 65115, 86820, 130230, 260460, 287953, 575906, 863859, 1151812, 1439765, 1727718, 2591577, 2879530, 3455436, 4319295, 5183154, 5759060, 8638590, 10366308, 12957885, 17277180, 25915770, 51831540]

約数ペア:

[(1, 51831540), (2, 25915770), (3, 17277180), (4, 12957885), (5, 10366308), (6, 8638590), (9, 5759060), (10, 5183154), (12, 4319295), (15, 3455436), (18, 2879530), (20, 2591577), (30, 1727718), (36, 1439765), (45, 1151812), (60, 863859), (90, 575906), (180, 287953), (199, 260460), (398, 130230), (597, 86820), (796, 65115), (995, 52092), (1194, 43410), (1447, 35820), (1791, 28940), (1990, 26046), (2388, 21705), (2894, 17910), (2985, 17364), (3582, 14470), (3980, 13023), (4341, 11940), (5788, 8955), (5970, 8682), (7164, 7235)]