39995520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 128

約数和(自身を含む): 131163840

約数和(自身を除く): 91168320

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, 563, 592, 640, 740, 888, 960, 1110, 1126, 1184, 1480, 1689, 1776, 1920, 2220, 2252, 2368, 2815, 2960, 3378, 3552, 4440, 4504, 4736, 5630, 5920, 6756, 7104, 8445, 8880, 9008, 11260, 11840, 13512, 14208, 16890, 17760, 18016, 20831, 22520, 23680, 27024, 33780, 35520, 36032, 41662, 45040, 54048, 62493, 67560, 71040, 72064, 83324, 90080, 104155, 108096, 124986, 135120, 166648, 180160, 208310, 216192, 249972, 270240, 312465, 333296, 360320, 416620, 499944, 540480, 624930, 666592, 833240, 999888, 1080960, 1249860, 1333184, 1666480, 1999776, 2499720, 2666368, 3332960, 3999552, 4999440, 6665920, 7999104, 9998880, 13331840, 19997760, 39995520]

約数ペア:

[(1, 39995520), (2, 19997760), (3, 13331840), (4, 9998880), (5, 7999104), (6, 6665920), (8, 4999440), (10, 3999552), (12, 3332960), (15, 2666368), (16, 2499720), (20, 1999776), (24, 1666480), (30, 1333184), (32, 1249860), (37, 1080960), (40, 999888), (48, 833240), (60, 666592), (64, 624930), (74, 540480), (80, 499944), (96, 416620), (111, 360320), (120, 333296), (128, 312465), (148, 270240), (160, 249972), (185, 216192), (192, 208310), (222, 180160), (240, 166648), (296, 135120), (320, 124986), (370, 108096), (384, 104155), (444, 90080), (480, 83324), (555, 72064), (563, 71040), (592, 67560), (640, 62493), (740, 54048), (888, 45040), (960, 41662), (1110, 36032), (1126, 35520), (1184, 33780), (1480, 27024), (1689, 23680), (1776, 22520), (1920, 20831), (2220, 18016), (2252, 17760), (2368, 16890), (2815, 14208), (2960, 13512), (3378, 11840), (3552, 11260), (4440, 9008), (4504, 8880), (4736, 8445), (5630, 7104), (5920, 6756)]