40241280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{20959}}^1$

素因数の和:20981

約数の個数: 64

約数和(自身を含む): 128275200

約数和(自身を除く): 88033920

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, 320, 384, 480, 640, 960, 1920, 20959, 41918, 62877, 83836, 104795, 125754, 167672, 209590, 251508, 314385, 335344, 419180, 503016, 628770, 670688, 838360, 1006032, 1257540, 1341376, 1676720, 2012064, 2515080, 2682752, 3353440, 4024128, 5030160, 6706880, 8048256, 10060320, 13413760, 20120640, 40241280]

約数ペア:

[(1, 40241280), (2, 20120640), (3, 13413760), (4, 10060320), (5, 8048256), (6, 6706880), (8, 5030160), (10, 4024128), (12, 3353440), (15, 2682752), (16, 2515080), (20, 2012064), (24, 1676720), (30, 1341376), (32, 1257540), (40, 1006032), (48, 838360), (60, 670688), (64, 628770), (80, 503016), (96, 419180), (120, 335344), (128, 314385), (160, 251508), (192, 209590), (240, 167672), (320, 125754), (384, 104795), (480, 83836), (640, 62877), (960, 41918), (1920, 20959)]