157560720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1021}}^1$

素因数の和:1680

約数の個数: 80

約数和(自身を含む): 489676992

約数和(自身を除く): 332116272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1021, 1286, 1929, 2042, 2572, 3063, 3215, 3858, 4084, 5105, 5144, 6126, 6430, 7716, 8168, 9645, 10210, 10288, 12252, 12860, 15315, 15432, 16336, 19290, 20420, 24504, 25720, 30630, 30864, 38580, 40840, 49008, 51440, 61260, 77160, 81680, 122520, 154320, 245040, 656503, 1313006, 1969509, 2626012, 3282515, 3939018, 5252024, 6565030, 7878036, 9847545, 10504048, 13130060, 15756072, 19695090, 26260120, 31512144, 39390180, 52520240, 78780360, 157560720]

約数ペア:

[(1, 157560720), (2, 78780360), (3, 52520240), (4, 39390180), (5, 31512144), (6, 26260120), (8, 19695090), (10, 15756072), (12, 13130060), (15, 10504048), (16, 9847545), (20, 7878036), (24, 6565030), (30, 5252024), (40, 3939018), (48, 3282515), (60, 2626012), (80, 1969509), (120, 1313006), (240, 656503), (643, 245040), (1021, 154320), (1286, 122520), (1929, 81680), (2042, 77160), (2572, 61260), (3063, 51440), (3215, 49008), (3858, 40840), (4084, 38580), (5105, 30864), (5144, 30630), (6126, 25720), (6430, 24504), (7716, 20420), (8168, 19290), (9645, 16336), (10210, 15432), (10288, 15315), (12252, 12860)]