262140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 780192

約数和(自身を除く): 518052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 257, 340, 510, 514, 771, 1020, 1028, 1285, 1542, 2570, 3084, 3855, 4369, 5140, 7710, 8738, 13107, 15420, 17476, 21845, 26214, 43690, 52428, 65535, 87380, 131070, 262140]

約数ペア:

[(1, 262140), (2, 131070), (3, 87380), (4, 65535), (5, 52428), (6, 43690), (10, 26214), (12, 21845), (15, 17476), (17, 15420), (20, 13107), (30, 8738), (34, 7710), (51, 5140), (60, 4369), (68, 3855), (85, 3084), (102, 2570), (170, 1542), (204, 1285), (255, 1028), (257, 1020), (340, 771), (510, 514)]