255481240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{39671}}^1$

素因数の和:39712

約数の個数: 64

約数和(自身を含む): 685532160

約数和(自身を除く): 430050920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 39671, 79342, 158684, 198355, 277697, 317368, 396710, 555394, 793420, 912433, 1110788, 1388485, 1586840, 1824866, 2221576, 2776970, 3649732, 4562165, 5553940, 6387031, 7299464, 9124330, 11107880, 12774062, 18248660, 25548124, 31935155, 36497320, 51096248, 63870310, 127740620, 255481240]

約数ペア:

[(1, 255481240), (2, 127740620), (4, 63870310), (5, 51096248), (7, 36497320), (8, 31935155), (10, 25548124), (14, 18248660), (20, 12774062), (23, 11107880), (28, 9124330), (35, 7299464), (40, 6387031), (46, 5553940), (56, 4562165), (70, 3649732), (92, 2776970), (115, 2221576), (140, 1824866), (161, 1586840), (184, 1388485), (230, 1110788), (280, 912433), (322, 793420), (460, 555394), (644, 396710), (805, 317368), (920, 277697), (1288, 198355), (1610, 158684), (3220, 79342), (6440, 39671)]