31085040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18503}}^1$

素因数の和:18526

約数の個数: 80

約数和(自身を含む): 110135808

約数和(自身を除く): 79050768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18503, 37006, 55509, 74012, 92515, 111018, 129521, 148024, 185030, 222036, 259042, 277545, 296048, 370060, 388563, 444072, 518084, 555090, 647605, 740120, 777126, 888144, 1036168, 1110180, 1295210, 1480240, 1554252, 1942815, 2072336, 2220360, 2590420, 3108504, 3885630, 4440720, 5180840, 6217008, 7771260, 10361680, 15542520, 31085040]

約数ペア:

[(1, 31085040), (2, 15542520), (3, 10361680), (4, 7771260), (5, 6217008), (6, 5180840), (7, 4440720), (8, 3885630), (10, 3108504), (12, 2590420), (14, 2220360), (15, 2072336), (16, 1942815), (20, 1554252), (21, 1480240), (24, 1295210), (28, 1110180), (30, 1036168), (35, 888144), (40, 777126), (42, 740120), (48, 647605), (56, 555090), (60, 518084), (70, 444072), (80, 388563), (84, 370060), (105, 296048), (112, 277545), (120, 259042), (140, 222036), (168, 185030), (210, 148024), (240, 129521), (280, 111018), (336, 92515), (420, 74012), (560, 55509), (840, 37006), (1680, 18503)]