1288530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 3407040

約数和(自身を除く): 2118510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 139, 206, 278, 309, 417, 515, 618, 695, 834, 927, 1030, 1251, 1390, 1545, 1854, 2085, 2502, 3090, 4170, 4635, 6255, 9270, 12510, 14317, 28634, 42951, 71585, 85902, 128853, 143170, 214755, 257706, 429510, 644265, 1288530]

約数ペア:

[(1, 1288530), (2, 644265), (3, 429510), (5, 257706), (6, 214755), (9, 143170), (10, 128853), (15, 85902), (18, 71585), (30, 42951), (45, 28634), (90, 14317), (103, 12510), (139, 9270), (206, 6255), (278, 4635), (309, 4170), (417, 3090), (515, 2502), (618, 2085), (695, 1854), (834, 1545), (927, 1390), (1030, 1251)]