1644930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{373}}^1$

素因数の和:400

約数の個数: 72

約数和(自身を含む): 4988412

約数和(自身を除く): 3343482

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 373, 441, 490, 630, 735, 746, 882, 1119, 1470, 1865, 2205, 2238, 2611, 3357, 3730, 4410, 5222, 5595, 6714, 7833, 11190, 13055, 15666, 16785, 18277, 23499, 26110, 33570, 36554, 39165, 46998, 54831, 78330, 91385, 109662, 117495, 164493, 182770, 234990, 274155, 328986, 548310, 822465, 1644930]

約数ペア:

[(1, 1644930), (2, 822465), (3, 548310), (5, 328986), (6, 274155), (7, 234990), (9, 182770), (10, 164493), (14, 117495), (15, 109662), (18, 91385), (21, 78330), (30, 54831), (35, 46998), (42, 39165), (45, 36554), (49, 33570), (63, 26110), (70, 23499), (90, 18277), (98, 16785), (105, 15666), (126, 13055), (147, 11190), (210, 7833), (245, 6714), (294, 5595), (315, 5222), (373, 4410), (441, 3730), (490, 3357), (630, 2611), (735, 2238), (746, 2205), (882, 1865), (1119, 1470)]