243375520

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2351}}^1$

素因数の和:3013

約数の個数: 48

約数和(自身を含む): 576108288

約数和(自身を除く): 332732768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 1294, 2351, 2588, 3235, 4702, 5176, 6470, 9404, 10352, 11755, 12940, 18808, 20704, 23510, 25880, 37616, 47020, 51760, 75232, 94040, 103520, 188080, 376160, 1521097, 3042194, 6084388, 7605485, 12168776, 15210970, 24337552, 30421940, 48675104, 60843880, 121687760, 243375520]

約数ペア:

[(1, 243375520), (2, 121687760), (4, 60843880), (5, 48675104), (8, 30421940), (10, 24337552), (16, 15210970), (20, 12168776), (32, 7605485), (40, 6084388), (80, 3042194), (160, 1521097), (647, 376160), (1294, 188080), (2351, 103520), (2588, 94040), (3235, 75232), (4702, 51760), (5176, 47020), (6470, 37616), (9404, 25880), (10352, 23510), (11755, 20704), (12940, 18808)]