80914020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122597}}^1$

素因数の和:122620

約数の個数: 48

約数和(自身を含む): 247157568

約数和(自身を除く): 166243548

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, 122597, 245194, 367791, 490388, 612985, 735582, 1225970, 1348567, 1471164, 1838955, 2451940, 2697134, 3677910, 4045701, 5394268, 6742835, 7355820, 8091402, 13485670, 16182804, 20228505, 26971340, 40457010, 80914020]

約数ペア:

[(1, 80914020), (2, 40457010), (3, 26971340), (4, 20228505), (5, 16182804), (6, 13485670), (10, 8091402), (11, 7355820), (12, 6742835), (15, 5394268), (20, 4045701), (22, 3677910), (30, 2697134), (33, 2451940), (44, 1838955), (55, 1471164), (60, 1348567), (66, 1225970), (110, 735582), (132, 612985), (165, 490388), (220, 367791), (330, 245194), (660, 122597)]