47102220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23789}}^1$

素因数の和:23815

約数の個数: 72

約数和(自身を含む): 155872080

約数和(自身を除く): 108769860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 23789, 47578, 71367, 95156, 118945, 142734, 214101, 237890, 261679, 285468, 356835, 428202, 475780, 523358, 713670, 785037, 856404, 1046716, 1070505, 1308395, 1427340, 1570074, 2141010, 2355111, 2616790, 3140148, 3925185, 4282020, 4710222, 5233580, 7850370, 9420444, 11775555, 15700740, 23551110, 47102220]

約数ペア:

[(1, 47102220), (2, 23551110), (3, 15700740), (4, 11775555), (5, 9420444), (6, 7850370), (9, 5233580), (10, 4710222), (11, 4282020), (12, 3925185), (15, 3140148), (18, 2616790), (20, 2355111), (22, 2141010), (30, 1570074), (33, 1427340), (36, 1308395), (44, 1070505), (45, 1046716), (55, 856404), (60, 785037), (66, 713670), (90, 523358), (99, 475780), (110, 428202), (132, 356835), (165, 285468), (180, 261679), (198, 237890), (220, 214101), (330, 142734), (396, 118945), (495, 95156), (660, 71367), (990, 47578), (1980, 23789)]