31440960

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{1213}}^1$

素因数の和:1242

約数の個数: 140

約数和(自身を含む): 111933228

約数和(自身を除く): 80492268

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1213, 1296, 1440, 1620, 1728, 2160, 2426, 2592, 2880, 3240, 3639, 4320, 4852, 5184, 6065, 6480, 7278, 8640, 9704, 10917, 12130, 12960, 14556, 18195, 19408, 21834, 24260, 25920, 29112, 32751, 36390, 38816, 43668, 48520, 54585, 58224, 65502, 72780, 77632, 87336, 97040, 98253, 109170, 116448, 131004, 145560, 163755, 174672, 194080, 196506, 218340, 232896, 262008, 291120, 327510, 349344, 388160, 393012, 436680, 491265, 524016, 582240, 655020, 698688, 786024, 873360, 982530, 1048032, 1164480, 1310040, 1572048, 1746720, 1965060, 2096064, 2620080, 3144096, 3493440, 3930120, 5240160, 6288192, 7860240, 10480320, 15720480, 31440960]

約数ペア:

[(1, 31440960), (2, 15720480), (3, 10480320), (4, 7860240), (5, 6288192), (6, 5240160), (8, 3930120), (9, 3493440), (10, 3144096), (12, 2620080), (15, 2096064), (16, 1965060), (18, 1746720), (20, 1572048), (24, 1310040), (27, 1164480), (30, 1048032), (32, 982530), (36, 873360), (40, 786024), (45, 698688), (48, 655020), (54, 582240), (60, 524016), (64, 491265), (72, 436680), (80, 393012), (81, 388160), (90, 349344), (96, 327510), (108, 291120), (120, 262008), (135, 232896), (144, 218340), (160, 196506), (162, 194080), (180, 174672), (192, 163755), (216, 145560), (240, 131004), (270, 116448), (288, 109170), (320, 98253), (324, 97040), (360, 87336), (405, 77632), (432, 72780), (480, 65502), (540, 58224), (576, 54585), (648, 48520), (720, 43668), (810, 38816), (864, 36390), (960, 32751), (1080, 29112), (1213, 25920), (1296, 24260), (1440, 21834), (1620, 19408), (1728, 18195), (2160, 14556), (2426, 12960), (2592, 12130), (2880, 10917), (3240, 9704), (3639, 8640), (4320, 7278), (4852, 6480), (5184, 6065)]