257377440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{536203}}^1$

素因数の和:536221

約数の個数: 48

約数和(自身を含む): 810740448

約数和(自身を除く): 553363008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 536203, 1072406, 1608609, 2144812, 2681015, 3217218, 4289624, 5362030, 6434436, 8043045, 8579248, 10724060, 12868872, 16086090, 17158496, 21448120, 25737744, 32172180, 42896240, 51475488, 64344360, 85792480, 128688720, 257377440]

約数ペア:

[(1, 257377440), (2, 128688720), (3, 85792480), (4, 64344360), (5, 51475488), (6, 42896240), (8, 32172180), (10, 25737744), (12, 21448120), (15, 17158496), (16, 16086090), (20, 12868872), (24, 10724060), (30, 8579248), (32, 8043045), (40, 6434436), (48, 5362030), (60, 4289624), (80, 3217218), (96, 2681015), (120, 2144812), (160, 1608609), (240, 1072406), (480, 536203)]