1566783020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{15791}}^1$

素因数の和:15863

約数の個数: 72

約数和(自身を含む): 3704992704

約数和(自身を除く): 2138209684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 451, 484, 605, 820, 902, 1210, 1804, 2255, 2420, 4510, 4961, 9020, 9922, 15791, 19844, 24805, 31582, 49610, 63164, 78955, 99220, 157910, 173701, 315820, 347402, 647431, 694804, 868505, 1294862, 1737010, 1910711, 2589724, 3237155, 3474020, 3821422, 6474310, 7121741, 7642844, 9553555, 12948620, 14243482, 19107110, 28486964, 35608705, 38214220, 71217410, 78339151, 142434820, 156678302, 313356604, 391695755, 783391510, 1566783020]

約数ペア:

[(1, 1566783020), (2, 783391510), (4, 391695755), (5, 313356604), (10, 156678302), (11, 142434820), (20, 78339151), (22, 71217410), (41, 38214220), (44, 35608705), (55, 28486964), (82, 19107110), (110, 14243482), (121, 12948620), (164, 9553555), (205, 7642844), (220, 7121741), (242, 6474310), (410, 3821422), (451, 3474020), (484, 3237155), (605, 2589724), (820, 1910711), (902, 1737010), (1210, 1294862), (1804, 868505), (2255, 694804), (2420, 647431), (4510, 347402), (4961, 315820), (9020, 173701), (9922, 157910), (15791, 99220), (19844, 78955), (24805, 63164), (31582, 49610)]