56840280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 196577280

約数和(自身を除く): 139737000

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, 431, 471, 628, 785, 840, 862, 942, 1099, 1256, 1293, 1570, 1724, 1884, 2155, 2198, 2355, 2586, 3017, 3140, 3297, 3448, 3768, 4310, 4396, 4710, 5172, 5495, 6034, 6280, 6465, 6594, 8620, 8792, 9051, 9420, 10344, 10990, 12068, 12930, 13188, 15085, 16485, 17240, 18102, 18840, 21980, 24136, 25860, 26376, 30170, 32970, 36204, 43960, 45255, 51720, 60340, 65940, 67667, 72408, 90510, 120680, 131880, 135334, 181020, 203001, 270668, 338335, 362040, 406002, 473669, 541336, 676670, 812004, 947338, 1015005, 1353340, 1421007, 1624008, 1894676, 2030010, 2368345, 2706680, 2842014, 3789352, 4060020, 4736690, 5684028, 7105035, 8120040, 9473380, 11368056, 14210070, 18946760, 28420140, 56840280]

約数ペア:

[(1, 56840280), (2, 28420140), (3, 18946760), (4, 14210070), (5, 11368056), (6, 9473380), (7, 8120040), (8, 7105035), (10, 5684028), (12, 4736690), (14, 4060020), (15, 3789352), (20, 2842014), (21, 2706680), (24, 2368345), (28, 2030010), (30, 1894676), (35, 1624008), (40, 1421007), (42, 1353340), (56, 1015005), (60, 947338), (70, 812004), (84, 676670), (105, 541336), (120, 473669), (140, 406002), (157, 362040), (168, 338335), (210, 270668), (280, 203001), (314, 181020), (420, 135334), (431, 131880), (471, 120680), (628, 90510), (785, 72408), (840, 67667), (862, 65940), (942, 60340), (1099, 51720), (1256, 45255), (1293, 43960), (1570, 36204), (1724, 32970), (1884, 30170), (2155, 26376), (2198, 25860), (2355, 24136), (2586, 21980), (3017, 18840), (3140, 18102), (3297, 17240), (3448, 16485), (3768, 15085), (4310, 13188), (4396, 12930), (4710, 12068), (5172, 10990), (5495, 10344), (6034, 9420), (6280, 9051), (6465, 8792), (6594, 8620)]