211845120

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{431}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 679466880

約数和(自身を除く): 467621760

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, 431, 480, 512, 640, 768, 862, 960, 1024, 1280, 1293, 1536, 1724, 1920, 2048, 2155, 2560, 2586, 3072, 3448, 3840, 4096, 4310, 5120, 5172, 6144, 6465, 6896, 7680, 8192, 8620, 10240, 10344, 12288, 12930, 13792, 15360, 16384, 17240, 20480, 20688, 24576, 25860, 27584, 30720, 32768, 34480, 40960, 41376, 49152, 51720, 55168, 61440, 68960, 81920, 82752, 98304, 103440, 110336, 122880, 137920, 163840, 165504, 206880, 220672, 245760, 275840, 331008, 413760, 441344, 491520, 551680, 662016, 827520, 882688, 1103360, 1324032, 1655040, 1765376, 2206720, 2648064, 3310080, 3530752, 4413440, 5296128, 6620160, 7061504, 8826880, 10592256, 13240320, 14123008, 17653760, 21184512, 26480640, 35307520, 42369024, 52961280, 70615040, 105922560, 211845120]

約数ペア:

[(1, 211845120), (2, 105922560), (3, 70615040), (4, 52961280), (5, 42369024), (6, 35307520), (8, 26480640), (10, 21184512), (12, 17653760), (15, 14123008), (16, 13240320), (20, 10592256), (24, 8826880), (30, 7061504), (32, 6620160), (40, 5296128), (48, 4413440), (60, 3530752), (64, 3310080), (80, 2648064), (96, 2206720), (120, 1765376), (128, 1655040), (160, 1324032), (192, 1103360), (240, 882688), (256, 827520), (320, 662016), (384, 551680), (431, 491520), (480, 441344), (512, 413760), (640, 331008), (768, 275840), (862, 245760), (960, 220672), (1024, 206880), (1280, 165504), (1293, 163840), (1536, 137920), (1724, 122880), (1920, 110336), (2048, 103440), (2155, 98304), (2560, 82752), (2586, 81920), (3072, 68960), (3448, 61440), (3840, 55168), (4096, 51720), (4310, 49152), (5120, 41376), (5172, 40960), (6144, 34480), (6465, 32768), (6896, 30720), (7680, 27584), (8192, 25860), (8620, 24576), (10240, 20688), (10344, 20480), (12288, 17240), (12930, 16384), (13792, 15360)]