80335860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121721}}^1$

素因数の和:121744

約数の個数: 48

約数和(自身を含む): 245391552

約数和(自身を除く): 165055692

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 121721, 243442, 365163, 486884, 608605, 730326, 1217210, 1338931, 1460652, 1825815, 2434420, 2677862, 3651630, 4016793, 5355724, 6694655, 7303260, 8033586, 13389310, 16067172, 20083965, 26778620, 40167930, 80335860]

約数ペア:

[(1, 80335860), (2, 40167930), (3, 26778620), (4, 20083965), (5, 16067172), (6, 13389310), (10, 8033586), (11, 7303260), (12, 6694655), (15, 5355724), (20, 4016793), (22, 3651630), (30, 2677862), (33, 2434420), (44, 1825815), (55, 1460652), (60, 1338931), (66, 1217210), (110, 730326), (132, 608605), (165, 486884), (220, 365163), (330, 243442), (660, 121721)]