15720540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23819}}^1$

素因数の和:23842

約数の個数: 48

約数和(自身を含む): 48021120

約数和(自身を除く): 32300580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 23819, 47638, 71457, 95276, 119095, 142914, 238190, 262009, 285828, 357285, 476380, 524018, 714570, 786027, 1048036, 1310045, 1429140, 1572054, 2620090, 3144108, 3930135, 5240180, 7860270, 15720540]

約数ペア:

[(1, 15720540), (2, 7860270), (3, 5240180), (4, 3930135), (5, 3144108), (6, 2620090), (10, 1572054), (11, 1429140), (12, 1310045), (15, 1048036), (20, 786027), (22, 714570), (30, 524018), (33, 476380), (44, 357285), (55, 285828), (60, 262009), (66, 238190), (110, 142914), (132, 119095), (165, 95276), (220, 71457), (330, 47638), (660, 23819)]