256804560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{118891}}^1$

素因数の和:118913

約数の個数: 80

約数和(自身を含む): 884556480

約数和(自身を除く): 627751920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 118891, 237782, 356673, 475564, 594455, 713346, 951128, 1070019, 1188910, 1426692, 1783365, 1902256, 2140038, 2377820, 2853384, 3210057, 3566730, 4280076, 4755640, 5350095, 5706768, 6420114, 7133460, 8560152, 9511280, 10700190, 12840228, 14266920, 16050285, 17120304, 21400380, 25680456, 28533840, 32100570, 42800760, 51360912, 64201140, 85601520, 128402280, 256804560]

約数ペア:

[(1, 256804560), (2, 128402280), (3, 85601520), (4, 64201140), (5, 51360912), (6, 42800760), (8, 32100570), (9, 28533840), (10, 25680456), (12, 21400380), (15, 17120304), (16, 16050285), (18, 14266920), (20, 12840228), (24, 10700190), (27, 9511280), (30, 8560152), (36, 7133460), (40, 6420114), (45, 5706768), (48, 5350095), (54, 4755640), (60, 4280076), (72, 3566730), (80, 3210057), (90, 2853384), (108, 2377820), (120, 2140038), (135, 1902256), (144, 1783365), (180, 1426692), (216, 1188910), (240, 1070019), (270, 951128), (360, 713346), (432, 594455), (540, 475564), (720, 356673), (1080, 237782), (2160, 118891)]