131616240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:679

約数の個数: 160

約数和(自身を含む): 470208000

約数和(自身を除く): 338591760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 157, 168, 210, 240, 280, 314, 336, 420, 471, 499, 560, 628, 785, 840, 942, 998, 1099, 1256, 1497, 1570, 1680, 1884, 1996, 2198, 2355, 2495, 2512, 2994, 3140, 3297, 3493, 3768, 3992, 4396, 4710, 4990, 5495, 5988, 6280, 6594, 6986, 7485, 7536, 7984, 8792, 9420, 9980, 10479, 10990, 11976, 12560, 13188, 13972, 14970, 16485, 17465, 17584, 18840, 19960, 20958, 21980, 23952, 26376, 27944, 29940, 32970, 34930, 37680, 39920, 41916, 43960, 52395, 52752, 55888, 59880, 65940, 69860, 78343, 83832, 87920, 104790, 119760, 131880, 139720, 156686, 167664, 209580, 235029, 263760, 279440, 313372, 391715, 419160, 470058, 548401, 626744, 783430, 838320, 940116, 1096802, 1175145, 1253488, 1566860, 1645203, 1880232, 2193604, 2350290, 2742005, 3133720, 3290406, 3760464, 4387208, 4700580, 5484010, 6267440, 6580812, 8226015, 8774416, 9401160, 10968020, 13161624, 16452030, 18802320, 21936040, 26323248, 32904060, 43872080, 65808120, 131616240]

約数ペア:

[(1, 131616240), (2, 65808120), (3, 43872080), (4, 32904060), (5, 26323248), (6, 21936040), (7, 18802320), (8, 16452030), (10, 13161624), (12, 10968020), (14, 9401160), (15, 8774416), (16, 8226015), (20, 6580812), (21, 6267440), (24, 5484010), (28, 4700580), (30, 4387208), (35, 3760464), (40, 3290406), (42, 3133720), (48, 2742005), (56, 2350290), (60, 2193604), (70, 1880232), (80, 1645203), (84, 1566860), (105, 1253488), (112, 1175145), (120, 1096802), (140, 940116), (157, 838320), (168, 783430), (210, 626744), (240, 548401), (280, 470058), (314, 419160), (336, 391715), (420, 313372), (471, 279440), (499, 263760), (560, 235029), (628, 209580), (785, 167664), (840, 156686), (942, 139720), (998, 131880), (1099, 119760), (1256, 104790), (1497, 87920), (1570, 83832), (1680, 78343), (1884, 69860), (1996, 65940), (2198, 59880), (2355, 55888), (2495, 52752), (2512, 52395), (2994, 43960), (3140, 41916), (3297, 39920), (3493, 37680), (3768, 34930), (3992, 32970), (4396, 29940), (4710, 27944), (4990, 26376), (5495, 23952), (5988, 21980), (6280, 20958), (6594, 19960), (6986, 18840), (7485, 17584), (7536, 17465), (7984, 16485), (8792, 14970), (9420, 13972), (9980, 13188), (10479, 12560), (10990, 11976)]