256649040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{118819}}^1$

素因数の和:118841

約数の個数: 80

約数和(自身を含む): 884020800

約数和(自身を除く): 627371760

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, 118819, 237638, 356457, 475276, 594095, 712914, 950552, 1069371, 1188190, 1425828, 1782285, 1901104, 2138742, 2376380, 2851656, 3208113, 3564570, 4277484, 4752760, 5346855, 5703312, 6416226, 7129140, 8554968, 9505520, 10693710, 12832452, 14258280, 16040565, 17109936, 21387420, 25664904, 28516560, 32081130, 42774840, 51329808, 64162260, 85549680, 128324520, 256649040]

約数ペア:

[(1, 256649040), (2, 128324520), (3, 85549680), (4, 64162260), (5, 51329808), (6, 42774840), (8, 32081130), (9, 28516560), (10, 25664904), (12, 21387420), (15, 17109936), (16, 16040565), (18, 14258280), (20, 12832452), (24, 10693710), (27, 9505520), (30, 8554968), (36, 7129140), (40, 6416226), (45, 5703312), (48, 5346855), (54, 4752760), (60, 4277484), (72, 3564570), (80, 3208113), (90, 2851656), (108, 2376380), (120, 2138742), (135, 1901104), (144, 1782285), (180, 1425828), (216, 1188190), (240, 1069371), (270, 950552), (360, 712914), (432, 594095), (540, 475276), (720, 356457), (1080, 237638), (2160, 118819)]