80480640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 259096320

約数和(自身を除く): 178615680

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, 167, 192, 240, 251, 320, 334, 384, 480, 501, 502, 640, 668, 753, 835, 960, 1002, 1004, 1255, 1336, 1506, 1670, 1920, 2004, 2008, 2505, 2510, 2672, 3012, 3340, 3765, 4008, 4016, 5010, 5020, 5344, 6024, 6680, 7530, 8016, 8032, 10020, 10040, 10688, 12048, 13360, 15060, 16032, 16064, 20040, 20080, 21376, 24096, 26720, 30120, 32064, 32128, 40080, 40160, 41917, 48192, 53440, 60240, 64128, 80160, 80320, 83834, 96384, 106880, 120480, 125751, 160320, 160640, 167668, 209585, 240960, 251502, 320640, 335336, 419170, 481920, 503004, 628755, 670672, 838340, 1006008, 1257510, 1341344, 1676680, 2012016, 2515020, 2682688, 3353360, 4024032, 5030040, 5365376, 6706720, 8048064, 10060080, 13413440, 16096128, 20120160, 26826880, 40240320, 80480640]

約数ペア:

[(1, 80480640), (2, 40240320), (3, 26826880), (4, 20120160), (5, 16096128), (6, 13413440), (8, 10060080), (10, 8048064), (12, 6706720), (15, 5365376), (16, 5030040), (20, 4024032), (24, 3353360), (30, 2682688), (32, 2515020), (40, 2012016), (48, 1676680), (60, 1341344), (64, 1257510), (80, 1006008), (96, 838340), (120, 670672), (128, 628755), (160, 503004), (167, 481920), (192, 419170), (240, 335336), (251, 320640), (320, 251502), (334, 240960), (384, 209585), (480, 167668), (501, 160640), (502, 160320), (640, 125751), (668, 120480), (753, 106880), (835, 96384), (960, 83834), (1002, 80320), (1004, 80160), (1255, 64128), (1336, 60240), (1506, 53440), (1670, 48192), (1920, 41917), (2004, 40160), (2008, 40080), (2505, 32128), (2510, 32064), (2672, 30120), (3012, 26720), (3340, 24096), (3765, 21376), (4008, 20080), (4016, 20040), (5010, 16064), (5020, 16032), (5344, 15060), (6024, 13360), (6680, 12048), (7530, 10688), (8016, 10040), (8032, 10020)]