1215990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 3229200

約数和(自身を除く): 2013210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 229, 295, 354, 458, 531, 590, 687, 885, 1062, 1145, 1374, 1770, 2061, 2290, 2655, 3435, 4122, 5310, 6870, 10305, 13511, 20610, 27022, 40533, 67555, 81066, 121599, 135110, 202665, 243198, 405330, 607995, 1215990]

約数ペア:

[(1, 1215990), (2, 607995), (3, 405330), (5, 243198), (6, 202665), (9, 135110), (10, 121599), (15, 81066), (18, 67555), (30, 40533), (45, 27022), (59, 20610), (90, 13511), (118, 10305), (177, 6870), (229, 5310), (295, 4122), (354, 3435), (458, 2655), (531, 2290), (590, 2061), (687, 1770), (885, 1374), (1062, 1145)]