128653440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1870

約数の個数: 128

約数和(自身を含む): 421398720

約数和(自身を除く): 292745280

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, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1811, 1920, 2220, 2368, 2960, 3552, 3622, 4440, 4736, 5433, 5920, 7104, 7244, 8880, 9055, 10866, 11840, 14208, 14488, 17760, 18110, 21732, 23680, 27165, 28976, 35520, 36220, 43464, 54330, 57952, 67007, 71040, 72440, 86928, 108660, 115904, 134014, 144880, 173856, 201021, 217320, 231808, 268028, 289760, 335035, 347712, 402042, 434640, 536056, 579520, 670070, 695424, 804084, 869280, 1005105, 1072112, 1159040, 1340140, 1608168, 1738560, 2010210, 2144224, 2680280, 3216336, 3477120, 4020420, 4288448, 5360560, 6432672, 8040840, 8576896, 10721120, 12865344, 16081680, 21442240, 25730688, 32163360, 42884480, 64326720, 128653440]

約数ペア:

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