65808120

素因数分解:

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

素因数の和:677

約数の個数: 128

約数和(自身を含む): 227520000

約数和(自身を除く): 161711880

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, 499, 628, 785, 840, 942, 998, 1099, 1256, 1497, 1570, 1884, 1996, 2198, 2355, 2495, 2994, 3140, 3297, 3493, 3768, 3992, 4396, 4710, 4990, 5495, 5988, 6280, 6594, 6986, 7485, 8792, 9420, 9980, 10479, 10990, 11976, 13188, 13972, 14970, 16485, 17465, 18840, 19960, 20958, 21980, 26376, 27944, 29940, 32970, 34930, 41916, 43960, 52395, 59880, 65940, 69860, 78343, 83832, 104790, 131880, 139720, 156686, 209580, 235029, 313372, 391715, 419160, 470058, 548401, 626744, 783430, 940116, 1096802, 1175145, 1566860, 1645203, 1880232, 2193604, 2350290, 2742005, 3133720, 3290406, 4387208, 4700580, 5484010, 6580812, 8226015, 9401160, 10968020, 13161624, 16452030, 21936040, 32904060, 65808120]

約数ペア:

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