637807680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{221461}}^1$

素因数の和:221484

約数の個数: 84

約数和(自身を含む): 2193802572

約数和(自身を除く): 1555994892

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 221461, 442922, 664383, 885844, 1107305, 1328766, 1771688, 1993149, 2214610, 2657532, 3321915, 3543376, 3986298, 4429220, 5315064, 6643830, 7086752, 7972596, 8858440, 9965745, 10630128, 13287660, 14173504, 15945192, 17716880, 19931490, 21260256, 26575320, 31890384, 35433760, 39862980, 42520512, 53150640, 63780768, 70867520, 79725960, 106301280, 127561536, 159451920, 212602560, 318903840, 637807680]

約数ペア:

[(1, 637807680), (2, 318903840), (3, 212602560), (4, 159451920), (5, 127561536), (6, 106301280), (8, 79725960), (9, 70867520), (10, 63780768), (12, 53150640), (15, 42520512), (16, 39862980), (18, 35433760), (20, 31890384), (24, 26575320), (30, 21260256), (32, 19931490), (36, 17716880), (40, 15945192), (45, 14173504), (48, 13287660), (60, 10630128), (64, 9965745), (72, 8858440), (80, 7972596), (90, 7086752), (96, 6643830), (120, 5315064), (144, 4429220), (160, 3986298), (180, 3543376), (192, 3321915), (240, 2657532), (288, 2214610), (320, 1993149), (360, 1771688), (480, 1328766), (576, 1107305), (720, 885844), (960, 664383), (1440, 442922), (2880, 221461)]