256368720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1068203}}^1$

素因数の和:1068219

約数の個数: 40

約数和(自身を含む): 794743776

約数和(自身を除く): 538375056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1068203, 2136406, 3204609, 4272812, 5341015, 6409218, 8545624, 10682030, 12818436, 16023045, 17091248, 21364060, 25636872, 32046090, 42728120, 51273744, 64092180, 85456240, 128184360, 256368720]

約数ペア:

[(1, 256368720), (2, 128184360), (3, 85456240), (4, 64092180), (5, 51273744), (6, 42728120), (8, 32046090), (10, 25636872), (12, 21364060), (15, 17091248), (16, 16023045), (20, 12818436), (24, 10682030), (30, 8545624), (40, 6409218), (48, 5341015), (60, 4272812), (80, 3204609), (120, 2136406), (240, 1068203)]