256591080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1693}}^1$

素因数の和:2131

約数の個数: 96

約数和(自身を含む): 836395560

約数和(自身を除く): 579804480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 421, 842, 1263, 1684, 1693, 2105, 2526, 3368, 3386, 3789, 4210, 5052, 5079, 6315, 6772, 7578, 8420, 8465, 10104, 10158, 12630, 13544, 15156, 15237, 16840, 16930, 18945, 20316, 25260, 25395, 30312, 30474, 33860, 37890, 40632, 50520, 50790, 60948, 67720, 75780, 76185, 101580, 121896, 151560, 152370, 203160, 304740, 609480, 712753, 1425506, 2138259, 2851012, 3563765, 4276518, 5702024, 6414777, 7127530, 8553036, 10691295, 12829554, 14255060, 17106072, 21382590, 25659108, 28510120, 32073885, 42765180, 51318216, 64147770, 85530360, 128295540, 256591080]

約数ペア:

[(1, 256591080), (2, 128295540), (3, 85530360), (4, 64147770), (5, 51318216), (6, 42765180), (8, 32073885), (9, 28510120), (10, 25659108), (12, 21382590), (15, 17106072), (18, 14255060), (20, 12829554), (24, 10691295), (30, 8553036), (36, 7127530), (40, 6414777), (45, 5702024), (60, 4276518), (72, 3563765), (90, 2851012), (120, 2138259), (180, 1425506), (360, 712753), (421, 609480), (842, 304740), (1263, 203160), (1684, 152370), (1693, 151560), (2105, 121896), (2526, 101580), (3368, 76185), (3386, 75780), (3789, 67720), (4210, 60948), (5052, 50790), (5079, 50520), (6315, 40632), (6772, 37890), (7578, 33860), (8420, 30474), (8465, 30312), (10104, 25395), (10158, 25260), (12630, 20316), (13544, 18945), (15156, 16930), (15237, 16840)]