80500980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191669}}^1$

素因数の和:191688

約数の個数: 48

約数和(自身を含む): 257604480

約数和(自身を除く): 177103500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191669, 383338, 575007, 766676, 958345, 1150014, 1341683, 1916690, 2300028, 2683366, 2875035, 3833380, 4025049, 5366732, 5750070, 6708415, 8050098, 11500140, 13416830, 16100196, 20125245, 26833660, 40250490, 80500980]

約数ペア:

[(1, 80500980), (2, 40250490), (3, 26833660), (4, 20125245), (5, 16100196), (6, 13416830), (7, 11500140), (10, 8050098), (12, 6708415), (14, 5750070), (15, 5366732), (20, 4025049), (21, 3833380), (28, 2875035), (30, 2683366), (35, 2300028), (42, 1916690), (60, 1341683), (70, 1150014), (84, 958345), (105, 766676), (140, 575007), (210, 383338), (420, 191669)]