420142720

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22637}}^1$

素因数の和:22685

約数の個数: 64

約数和(自身を含む): 1039084200

約数和(自身を除く): 618941480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4640, 9280, 18560, 22637, 45274, 90548, 113185, 181096, 226370, 362192, 452740, 656473, 724384, 905480, 1312946, 1448768, 1810960, 2625892, 2897536, 3282365, 3621920, 5251784, 6564730, 7243840, 10503568, 13129460, 14487680, 21007136, 26258920, 42014272, 52517840, 84028544, 105035680, 210071360, 420142720]

約数ペア:

[(1, 420142720), (2, 210071360), (4, 105035680), (5, 84028544), (8, 52517840), (10, 42014272), (16, 26258920), (20, 21007136), (29, 14487680), (32, 13129460), (40, 10503568), (58, 7243840), (64, 6564730), (80, 5251784), (116, 3621920), (128, 3282365), (145, 2897536), (160, 2625892), (232, 1810960), (290, 1448768), (320, 1312946), (464, 905480), (580, 724384), (640, 656473), (928, 452740), (1160, 362192), (1856, 226370), (2320, 181096), (3712, 113185), (4640, 90548), (9280, 45274), (18560, 22637)]