80211180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190979}}^1$

素因数の和:190998

約数の個数: 48

約数和(自身を含む): 256677120

約数和(自身を除く): 176465940

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, 190979, 381958, 572937, 763916, 954895, 1145874, 1336853, 1909790, 2291748, 2673706, 2864685, 3819580, 4010559, 5347412, 5729370, 6684265, 8021118, 11458740, 13368530, 16042236, 20052795, 26737060, 40105590, 80211180]

約数ペア:

[(1, 80211180), (2, 40105590), (3, 26737060), (4, 20052795), (5, 16042236), (6, 13368530), (7, 11458740), (10, 8021118), (12, 6684265), (14, 5729370), (15, 5347412), (20, 4010559), (21, 3819580), (28, 2864685), (30, 2673706), (35, 2291748), (42, 1909790), (60, 1336853), (70, 1145874), (84, 954895), (105, 763916), (140, 572937), (210, 381958), (420, 190979)]