80240640

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{653}}^1$

素因数の和:687

約数の個数: 112

約数和(自身を含む): 257147568

約数和(自身を除く): 176906928

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, 653, 768, 960, 1024, 1280, 1306, 1536, 1920, 1959, 2048, 2560, 2612, 3072, 3265, 3840, 3918, 4096, 5120, 5224, 6144, 6530, 7680, 7836, 8192, 9795, 10240, 10448, 12288, 13060, 15360, 15672, 19590, 20480, 20896, 24576, 26120, 30720, 31344, 39180, 40960, 41792, 52240, 61440, 62688, 78360, 83584, 104480, 122880, 125376, 156720, 167168, 208960, 250752, 313440, 334336, 417920, 501504, 626880, 668672, 835840, 1003008, 1253760, 1337344, 1671680, 2006016, 2507520, 2674688, 3343360, 4012032, 5015040, 5349376, 6686720, 8024064, 10030080, 13373440, 16048128, 20060160, 26746880, 40120320, 80240640]

約数ペア:

[(1, 80240640), (2, 40120320), (3, 26746880), (4, 20060160), (5, 16048128), (6, 13373440), (8, 10030080), (10, 8024064), (12, 6686720), (15, 5349376), (16, 5015040), (20, 4012032), (24, 3343360), (30, 2674688), (32, 2507520), (40, 2006016), (48, 1671680), (60, 1337344), (64, 1253760), (80, 1003008), (96, 835840), (120, 668672), (128, 626880), (160, 501504), (192, 417920), (240, 334336), (256, 313440), (320, 250752), (384, 208960), (480, 167168), (512, 156720), (640, 125376), (653, 122880), (768, 104480), (960, 83584), (1024, 78360), (1280, 62688), (1306, 61440), (1536, 52240), (1920, 41792), (1959, 40960), (2048, 39180), (2560, 31344), (2612, 30720), (3072, 26120), (3265, 24576), (3840, 20896), (3918, 20480), (4096, 19590), (5120, 15672), (5224, 15360), (6144, 13060), (6530, 12288), (7680, 10448), (7836, 10240), (8192, 9795)]