1648764990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{19891}}^1$

素因数の和:20214

約数の個数: 64

約数和(自身を含む): 4411249920

約数和(自身を除く): 2762484930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 307, 614, 921, 1535, 1842, 2763, 3070, 4605, 5526, 8289, 9210, 13815, 16578, 19891, 27630, 39782, 41445, 59673, 82890, 99455, 119346, 179019, 198910, 298365, 358038, 537057, 596730, 895095, 1074114, 1790190, 2685285, 5370570, 6106537, 12213074, 18319611, 30532685, 36639222, 54958833, 61065370, 91598055, 109917666, 164876499, 183196110, 274794165, 329752998, 549588330, 824382495, 1648764990]

約数ペア:

[(1, 1648764990), (2, 824382495), (3, 549588330), (5, 329752998), (6, 274794165), (9, 183196110), (10, 164876499), (15, 109917666), (18, 91598055), (27, 61065370), (30, 54958833), (45, 36639222), (54, 30532685), (90, 18319611), (135, 12213074), (270, 6106537), (307, 5370570), (614, 2685285), (921, 1790190), (1535, 1074114), (1842, 895095), (2763, 596730), (3070, 537057), (4605, 358038), (5526, 298365), (8289, 198910), (9210, 179019), (13815, 119346), (16578, 99455), (19891, 82890), (27630, 59673), (39782, 41445)]