256816440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{593}}^1$

素因数の和:1014

約数の個数: 128

約数和(自身を含む): 859636800

約数和(自身を除く): 602820360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 401, 540, 593, 802, 1080, 1186, 1203, 1604, 1779, 2005, 2372, 2406, 2965, 3208, 3558, 3609, 4010, 4744, 4812, 5337, 5930, 6015, 7116, 7218, 8020, 8895, 9624, 10674, 10827, 11860, 12030, 14232, 14436, 16011, 16040, 17790, 18045, 21348, 21654, 23720, 24060, 26685, 28872, 32022, 35580, 36090, 42696, 43308, 48120, 53370, 54135, 64044, 71160, 72180, 80055, 86616, 106740, 108270, 128088, 144360, 160110, 213480, 216540, 237793, 320220, 433080, 475586, 640440, 713379, 951172, 1188965, 1426758, 1902344, 2140137, 2377930, 2853516, 3566895, 4280274, 4755860, 5707032, 6420411, 7133790, 8560548, 9511720, 10700685, 12840822, 14267580, 17121096, 21401370, 25681644, 28535160, 32102055, 42802740, 51363288, 64204110, 85605480, 128408220, 256816440]

約数ペア:

[(1, 256816440), (2, 128408220), (3, 85605480), (4, 64204110), (5, 51363288), (6, 42802740), (8, 32102055), (9, 28535160), (10, 25681644), (12, 21401370), (15, 17121096), (18, 14267580), (20, 12840822), (24, 10700685), (27, 9511720), (30, 8560548), (36, 7133790), (40, 6420411), (45, 5707032), (54, 4755860), (60, 4280274), (72, 3566895), (90, 2853516), (108, 2377930), (120, 2140137), (135, 1902344), (180, 1426758), (216, 1188965), (270, 951172), (360, 713379), (401, 640440), (540, 475586), (593, 433080), (802, 320220), (1080, 237793), (1186, 216540), (1203, 213480), (1604, 160110), (1779, 144360), (2005, 128088), (2372, 108270), (2406, 106740), (2965, 86616), (3208, 80055), (3558, 72180), (3609, 71160), (4010, 64044), (4744, 54135), (4812, 53370), (5337, 48120), (5930, 43308), (6015, 42696), (7116, 36090), (7218, 35580), (8020, 32022), (8895, 28872), (9624, 26685), (10674, 24060), (10827, 23720), (11860, 21654), (12030, 21348), (14232, 18045), (14436, 17790), (16011, 16040)]