257306880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1872

約数の個数: 144

約数和(自身を含む): 844449984

約数和(自身を除く): 587143104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 768, 888, 960, 1110, 1184, 1280, 1480, 1776, 1811, 1920, 2220, 2368, 2960, 3552, 3622, 3840, 4440, 4736, 5433, 5920, 7104, 7244, 8880, 9055, 9472, 10866, 11840, 14208, 14488, 17760, 18110, 21732, 23680, 27165, 28416, 28976, 35520, 36220, 43464, 47360, 54330, 57952, 67007, 71040, 72440, 86928, 108660, 115904, 134014, 142080, 144880, 173856, 201021, 217320, 231808, 268028, 289760, 335035, 347712, 402042, 434640, 463616, 536056, 579520, 670070, 695424, 804084, 869280, 1005105, 1072112, 1159040, 1340140, 1390848, 1608168, 1738560, 2010210, 2144224, 2318080, 2680280, 3216336, 3477120, 4020420, 4288448, 5360560, 6432672, 6954240, 8040840, 8576896, 10721120, 12865344, 16081680, 17153792, 21442240, 25730688, 32163360, 42884480, 51461376, 64326720, 85768960, 128653440, 257306880]

約数ペア:

[(1, 257306880), (2, 128653440), (3, 85768960), (4, 64326720), (5, 51461376), (6, 42884480), (8, 32163360), (10, 25730688), (12, 21442240), (15, 17153792), (16, 16081680), (20, 12865344), (24, 10721120), (30, 8576896), (32, 8040840), (37, 6954240), (40, 6432672), (48, 5360560), (60, 4288448), (64, 4020420), (74, 3477120), (80, 3216336), (96, 2680280), (111, 2318080), (120, 2144224), (128, 2010210), (148, 1738560), (160, 1608168), (185, 1390848), (192, 1340140), (222, 1159040), (240, 1072112), (256, 1005105), (296, 869280), (320, 804084), (370, 695424), (384, 670070), (444, 579520), (480, 536056), (555, 463616), (592, 434640), (640, 402042), (740, 347712), (768, 335035), (888, 289760), (960, 268028), (1110, 231808), (1184, 217320), (1280, 201021), (1480, 173856), (1776, 144880), (1811, 142080), (1920, 134014), (2220, 115904), (2368, 108660), (2960, 86928), (3552, 72440), (3622, 71040), (3840, 67007), (4440, 57952), (4736, 54330), (5433, 47360), (5920, 43464), (7104, 36220), (7244, 35520), (8880, 28976), (9055, 28416), (9472, 27165), (10866, 23680), (11840, 21732), (14208, 18110), (14488, 17760)]