31943040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 103403520

約数和(自身を除く): 71460480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 131, 160, 192, 240, 254, 262, 320, 381, 384, 393, 480, 508, 524, 635, 640, 655, 762, 786, 960, 1016, 1048, 1270, 1310, 1524, 1572, 1905, 1920, 1965, 2032, 2096, 2540, 2620, 3048, 3144, 3810, 3930, 4064, 4192, 5080, 5240, 6096, 6288, 7620, 7860, 8128, 8384, 10160, 10480, 12192, 12576, 15240, 15720, 16256, 16637, 16768, 20320, 20960, 24384, 25152, 30480, 31440, 33274, 40640, 41920, 48768, 49911, 50304, 60960, 62880, 66548, 81280, 83185, 83840, 99822, 121920, 125760, 133096, 166370, 199644, 243840, 249555, 251520, 266192, 332740, 399288, 499110, 532384, 665480, 798576, 998220, 1064768, 1330960, 1597152, 1996440, 2129536, 2661920, 3194304, 3992880, 5323840, 6388608, 7985760, 10647680, 15971520, 31943040]

約数ペア:

[(1, 31943040), (2, 15971520), (3, 10647680), (4, 7985760), (5, 6388608), (6, 5323840), (8, 3992880), (10, 3194304), (12, 2661920), (15, 2129536), (16, 1996440), (20, 1597152), (24, 1330960), (30, 1064768), (32, 998220), (40, 798576), (48, 665480), (60, 532384), (64, 499110), (80, 399288), (96, 332740), (120, 266192), (127, 251520), (128, 249555), (131, 243840), (160, 199644), (192, 166370), (240, 133096), (254, 125760), (262, 121920), (320, 99822), (381, 83840), (384, 83185), (393, 81280), (480, 66548), (508, 62880), (524, 60960), (635, 50304), (640, 49911), (655, 48768), (762, 41920), (786, 40640), (960, 33274), (1016, 31440), (1048, 30480), (1270, 25152), (1310, 24384), (1524, 20960), (1572, 20320), (1905, 16768), (1920, 16637), (1965, 16256), (2032, 15720), (2096, 15240), (2540, 12576), (2620, 12192), (3048, 10480), (3144, 10160), (3810, 8384), (3930, 8128), (4064, 7860), (4192, 7620), (5080, 6288), (5240, 6096)]