87651540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2447}}^1$

素因数の和:2661

約数の個数: 72

約数和(自身を含む): 267321600

約数和(自身を除く): 179670060

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, 1791, 1990, 2388, 2447, 2985, 3582, 3980, 4894, 5970, 7164, 7341, 8955, 9788, 11940, 12235, 14682, 17910, 22023, 24470, 29364, 35820, 36705, 44046, 48940, 73410, 88092, 110115, 146820, 220230, 440460, 486953, 973906, 1460859, 1947812, 2434765, 2921718, 4382577, 4869530, 5843436, 7304295, 8765154, 9739060, 14608590, 17530308, 21912885, 29217180, 43825770, 87651540]

約数ペア:

[(1, 87651540), (2, 43825770), (3, 29217180), (4, 21912885), (5, 17530308), (6, 14608590), (9, 9739060), (10, 8765154), (12, 7304295), (15, 5843436), (18, 4869530), (20, 4382577), (30, 2921718), (36, 2434765), (45, 1947812), (60, 1460859), (90, 973906), (180, 486953), (199, 440460), (398, 220230), (597, 146820), (796, 110115), (995, 88092), (1194, 73410), (1791, 48940), (1990, 44046), (2388, 36705), (2447, 35820), (2985, 29364), (3582, 24470), (3980, 22023), (4894, 17910), (5970, 14682), (7164, 12235), (7341, 11940), (8955, 9788)]