1665937920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{216919}}^1$

素因数の和:216945

約数の個数: 80

約数和(自身を含む): 5325819840

約数和(自身を除く): 3659881920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 216919, 433838, 650757, 867676, 1084595, 1301514, 1735352, 2169190, 2603028, 3253785, 3470704, 4338380, 5206056, 6507570, 6941408, 8676760, 10412112, 13015140, 13882816, 17353520, 20824224, 26030280, 27765632, 34707040, 41648448, 52060560, 55531264, 69414080, 83296896, 104121120, 111062528, 138828160, 166593792, 208242240, 277656320, 333187584, 416484480, 555312640, 832968960, 1665937920]

約数ペア:

[(1, 1665937920), (2, 832968960), (3, 555312640), (4, 416484480), (5, 333187584), (6, 277656320), (8, 208242240), (10, 166593792), (12, 138828160), (15, 111062528), (16, 104121120), (20, 83296896), (24, 69414080), (30, 55531264), (32, 52060560), (40, 41648448), (48, 34707040), (60, 27765632), (64, 26030280), (80, 20824224), (96, 17353520), (120, 13882816), (128, 13015140), (160, 10412112), (192, 8676760), (240, 6941408), (256, 6507570), (320, 5206056), (384, 4338380), (480, 3470704), (512, 3253785), (640, 2603028), (768, 2169190), (960, 1735352), (1280, 1301514), (1536, 1084595), (1920, 867676), (2560, 650757), (3840, 433838), (7680, 216919)]