19854720

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{383}}^1$

素因数の和:414

約数の個数: 160

約数和(自身を含む): 71089920

約数和(自身を除く): 51235200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 383, 384, 405, 432, 480, 540, 576, 640, 648, 720, 766, 810, 864, 960, 1080, 1149, 1152, 1296, 1440, 1532, 1620, 1728, 1915, 1920, 2160, 2298, 2592, 2880, 3064, 3240, 3447, 3456, 3830, 4320, 4596, 5184, 5745, 5760, 6128, 6480, 6894, 7660, 8640, 9192, 10341, 10368, 11490, 12256, 12960, 13788, 15320, 17235, 17280, 18384, 20682, 22980, 24512, 25920, 27576, 30640, 31023, 34470, 36768, 41364, 45960, 49024, 51705, 51840, 55152, 61280, 62046, 68940, 73536, 82728, 91920, 103410, 110304, 122560, 124092, 137880, 147072, 155115, 165456, 183840, 206820, 220608, 245120, 248184, 275760, 310230, 330912, 367680, 413640, 441216, 496368, 551520, 620460, 661824, 735360, 827280, 992736, 1103040, 1240920, 1323648, 1654560, 1985472, 2206080, 2481840, 3309120, 3970944, 4963680, 6618240, 9927360, 19854720]

約数ペア:

[(1, 19854720), (2, 9927360), (3, 6618240), (4, 4963680), (5, 3970944), (6, 3309120), (8, 2481840), (9, 2206080), (10, 1985472), (12, 1654560), (15, 1323648), (16, 1240920), (18, 1103040), (20, 992736), (24, 827280), (27, 735360), (30, 661824), (32, 620460), (36, 551520), (40, 496368), (45, 441216), (48, 413640), (54, 367680), (60, 330912), (64, 310230), (72, 275760), (80, 248184), (81, 245120), (90, 220608), (96, 206820), (108, 183840), (120, 165456), (128, 155115), (135, 147072), (144, 137880), (160, 124092), (162, 122560), (180, 110304), (192, 103410), (216, 91920), (240, 82728), (270, 73536), (288, 68940), (320, 62046), (324, 61280), (360, 55152), (383, 51840), (384, 51705), (405, 49024), (432, 45960), (480, 41364), (540, 36768), (576, 34470), (640, 31023), (648, 30640), (720, 27576), (766, 25920), (810, 24512), (864, 22980), (960, 20682), (1080, 18384), (1149, 17280), (1152, 17235), (1296, 15320), (1440, 13788), (1532, 12960), (1620, 12256), (1728, 11490), (1915, 10368), (1920, 10341), (2160, 9192), (2298, 8640), (2592, 7660), (2880, 6894), (3064, 6480), (3240, 6128), (3447, 5760), (3456, 5745), (3830, 5184), (4320, 4596)]