256848720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1070203}}^1$

素因数の和:1070219

約数の個数: 40

約数和(自身を含む): 796231776

約数和(自身を除く): 539383056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1070203, 2140406, 3210609, 4280812, 5351015, 6421218, 8561624, 10702030, 12842436, 16053045, 17123248, 21404060, 25684872, 32106090, 42808120, 51369744, 64212180, 85616240, 128424360, 256848720]

約数ペア:

[(1, 256848720), (2, 128424360), (3, 85616240), (4, 64212180), (5, 51369744), (6, 42808120), (8, 32106090), (10, 25684872), (12, 21404060), (15, 17123248), (16, 16053045), (20, 12842436), (24, 10702030), (30, 8561624), (40, 6421218), (48, 5351015), (60, 4280812), (80, 3210609), (120, 2140406), (240, 1070203)]