39720960

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{431}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 137985120

約数和(自身を除く): 98264160

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, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 431, 480, 512, 576, 640, 720, 768, 862, 960, 1024, 1152, 1280, 1293, 1440, 1536, 1724, 1920, 2048, 2155, 2304, 2560, 2586, 2880, 3072, 3448, 3840, 3879, 4310, 4608, 5120, 5172, 5760, 6144, 6465, 6896, 7680, 7758, 8620, 9216, 10240, 10344, 11520, 12930, 13792, 15360, 15516, 17240, 18432, 19395, 20688, 23040, 25860, 27584, 30720, 31032, 34480, 38790, 41376, 46080, 51720, 55168, 62064, 68960, 77580, 82752, 92160, 103440, 110336, 124128, 137920, 155160, 165504, 206880, 220672, 248256, 275840, 310320, 331008, 413760, 441344, 496512, 551680, 620640, 662016, 827520, 882688, 993024, 1103360, 1241280, 1324032, 1655040, 1986048, 2206720, 2482560, 2648064, 3310080, 3972096, 4413440, 4965120, 6620160, 7944192, 9930240, 13240320, 19860480, 39720960]

約数ペア:

[(1, 39720960), (2, 19860480), (3, 13240320), (4, 9930240), (5, 7944192), (6, 6620160), (8, 4965120), (9, 4413440), (10, 3972096), (12, 3310080), (15, 2648064), (16, 2482560), (18, 2206720), (20, 1986048), (24, 1655040), (30, 1324032), (32, 1241280), (36, 1103360), (40, 993024), (45, 882688), (48, 827520), (60, 662016), (64, 620640), (72, 551680), (80, 496512), (90, 441344), (96, 413760), (120, 331008), (128, 310320), (144, 275840), (160, 248256), (180, 220672), (192, 206880), (240, 165504), (256, 155160), (288, 137920), (320, 124128), (360, 110336), (384, 103440), (431, 92160), (480, 82752), (512, 77580), (576, 68960), (640, 62064), (720, 55168), (768, 51720), (862, 46080), (960, 41376), (1024, 38790), (1152, 34480), (1280, 31032), (1293, 30720), (1440, 27584), (1536, 25860), (1724, 23040), (1920, 20688), (2048, 19395), (2155, 18432), (2304, 17240), (2560, 15516), (2586, 15360), (2880, 13792), (3072, 12930), (3448, 11520), (3840, 10344), (3879, 10240), (4310, 9216), (4608, 8620), (5120, 7758), (5172, 7680), (5760, 6896), (6144, 6465)]