1638810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 4324320

約数和(自身を除く): 2685510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 139, 262, 278, 393, 417, 655, 695, 786, 834, 1179, 1251, 1310, 1390, 1965, 2085, 2358, 2502, 3930, 4170, 5895, 6255, 11790, 12510, 18209, 36418, 54627, 91045, 109254, 163881, 182090, 273135, 327762, 546270, 819405, 1638810]

約数ペア:

[(1, 1638810), (2, 819405), (3, 546270), (5, 327762), (6, 273135), (9, 182090), (10, 163881), (15, 109254), (18, 91045), (30, 54627), (45, 36418), (90, 18209), (131, 12510), (139, 11790), (262, 6255), (278, 5895), (393, 4170), (417, 3930), (655, 2502), (695, 2358), (786, 2085), (834, 1965), (1179, 1390), (1251, 1310)]