18949441560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{143687}}^1$

素因数の和:143865

約数の個数: 128

約数和(自身を含む): 65383787520

約数和(自身を除く): 46434345960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1570, 1884, 2198, 2355, 3140, 3297, 3768, 4396, 4710, 5495, 6280, 6594, 8792, 9420, 10990, 13188, 16485, 18840, 21980, 26376, 32970, 43960, 65940, 131880, 143687, 287374, 431061, 574748, 718435, 862122, 1005809, 1149496, 1436870, 1724244, 2011618, 2155305, 2873740, 3017427, 3448488, 4023236, 4310610, 5029045, 5747480, 6034854, 8046472, 8621220, 10058090, 12069708, 15087135, 17242440, 20116180, 22558859, 24139416, 30174270, 40232360, 45117718, 60348540, 67676577, 90235436, 112794295, 120697080, 135353154, 157912013, 180470872, 225588590, 270706308, 315824026, 338382885, 451177180, 473736039, 541412616, 631648052, 676765770, 789560065, 902354360, 947472078, 1263296104, 1353531540, 1579120130, 1894944156, 2368680195, 2707063080, 3158240260, 3789888312, 4737360390, 6316480520, 9474720780, 18949441560]

約数ペア:

[(1, 18949441560), (2, 9474720780), (3, 6316480520), (4, 4737360390), (5, 3789888312), (6, 3158240260), (7, 2707063080), (8, 2368680195), (10, 1894944156), (12, 1579120130), (14, 1353531540), (15, 1263296104), (20, 947472078), (21, 902354360), (24, 789560065), (28, 676765770), (30, 631648052), (35, 541412616), (40, 473736039), (42, 451177180), (56, 338382885), (60, 315824026), (70, 270706308), (84, 225588590), (105, 180470872), (120, 157912013), (140, 135353154), (157, 120697080), (168, 112794295), (210, 90235436), (280, 67676577), (314, 60348540), (420, 45117718), (471, 40232360), (628, 30174270), (785, 24139416), (840, 22558859), (942, 20116180), (1099, 17242440), (1256, 15087135), (1570, 12069708), (1884, 10058090), (2198, 8621220), (2355, 8046472), (3140, 6034854), (3297, 5747480), (3768, 5029045), (4396, 4310610), (4710, 4023236), (5495, 3448488), (6280, 3017427), (6594, 2873740), (8792, 2155305), (9420, 2011618), (10990, 1724244), (13188, 1436870), (16485, 1149496), (18840, 1005809), (21980, 862122), (26376, 718435), (32970, 574748), (43960, 431061), (65940, 287374), (131880, 143687)]