80631990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2791}}^1$

素因数の和:2914

約数の個数: 64

約数和(自身を含む): 217105920

約数和(自身を除く): 136473930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 107, 135, 214, 270, 321, 535, 642, 963, 1070, 1605, 1926, 2791, 2889, 3210, 4815, 5582, 5778, 8373, 9630, 13955, 14445, 16746, 25119, 27910, 28890, 41865, 50238, 75357, 83730, 125595, 150714, 251190, 298637, 376785, 597274, 753570, 895911, 1493185, 1791822, 2687733, 2986370, 4479555, 5375466, 8063199, 8959110, 13438665, 16126398, 26877330, 40315995, 80631990]

約数ペア:

[(1, 80631990), (2, 40315995), (3, 26877330), (5, 16126398), (6, 13438665), (9, 8959110), (10, 8063199), (15, 5375466), (18, 4479555), (27, 2986370), (30, 2687733), (45, 1791822), (54, 1493185), (90, 895911), (107, 753570), (135, 597274), (214, 376785), (270, 298637), (321, 251190), (535, 150714), (642, 125595), (963, 83730), (1070, 75357), (1605, 50238), (1926, 41865), (2791, 28890), (2889, 27910), (3210, 25119), (4815, 16746), (5582, 14445), (5778, 13955), (8373, 9630)]