31605840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6271}}^1$

素因数の和:6297

約数の個数: 120

約数和(自身を含む): 121325568

約数和(自身を除く): 89719728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6271, 12542, 18813, 25084, 31355, 37626, 43897, 50168, 56439, 62710, 75252, 87794, 94065, 100336, 112878, 125420, 131691, 150504, 175588, 188130, 219485, 225756, 250840, 263382, 282195, 301008, 351176, 376260, 395073, 438970, 451512, 501680, 526764, 564390, 658455, 702352, 752520, 790146, 877940, 903024, 1053528, 1128780, 1316910, 1505040, 1580292, 1755880, 1975365, 2107056, 2257560, 2633820, 3160584, 3511760, 3950730, 4515120, 5267640, 6321168, 7901460, 10535280, 15802920, 31605840]

約数ペア:

[(1, 31605840), (2, 15802920), (3, 10535280), (4, 7901460), (5, 6321168), (6, 5267640), (7, 4515120), (8, 3950730), (9, 3511760), (10, 3160584), (12, 2633820), (14, 2257560), (15, 2107056), (16, 1975365), (18, 1755880), (20, 1580292), (21, 1505040), (24, 1316910), (28, 1128780), (30, 1053528), (35, 903024), (36, 877940), (40, 790146), (42, 752520), (45, 702352), (48, 658455), (56, 564390), (60, 526764), (63, 501680), (70, 451512), (72, 438970), (80, 395073), (84, 376260), (90, 351176), (105, 301008), (112, 282195), (120, 263382), (126, 250840), (140, 225756), (144, 219485), (168, 188130), (180, 175588), (210, 150504), (240, 131691), (252, 125420), (280, 112878), (315, 100336), (336, 94065), (360, 87794), (420, 75252), (504, 62710), (560, 56439), (630, 50168), (720, 43897), (840, 37626), (1008, 31355), (1260, 25084), (1680, 18813), (2520, 12542), (5040, 6271)]