256973280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{535361}}^1$

素因数の和:535379

約数の個数: 48

約数和(自身を含む): 809467344

約数和(自身を除く): 552494064

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, 535361, 1070722, 1606083, 2141444, 2676805, 3212166, 4282888, 5353610, 6424332, 8030415, 8565776, 10707220, 12848664, 16060830, 17131552, 21414440, 25697328, 32121660, 42828880, 51394656, 64243320, 85657760, 128486640, 256973280]

約数ペア:

[(1, 256973280), (2, 128486640), (3, 85657760), (4, 64243320), (5, 51394656), (6, 42828880), (8, 32121660), (10, 25697328), (12, 21414440), (15, 17131552), (16, 16060830), (20, 12848664), (24, 10707220), (30, 8565776), (32, 8030415), (40, 6424332), (48, 5353610), (60, 4282888), (80, 3212166), (96, 2676805), (120, 2141444), (160, 1606083), (240, 1070722), (480, 535361)]