85260420

素因数分解:

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

素因数の和:610

約数の個数: 144

約数和(自身を含む): 298142208

約数和(自身を除く): 212881788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 431, 471, 628, 630, 785, 862, 942, 1099, 1260, 1293, 1413, 1570, 1724, 1884, 2155, 2198, 2355, 2586, 2826, 3017, 3140, 3297, 3879, 4310, 4396, 4710, 5172, 5495, 5652, 6034, 6465, 6594, 7065, 7758, 8620, 9051, 9420, 9891, 10990, 12068, 12930, 13188, 14130, 15085, 15516, 16485, 18102, 19395, 19782, 21980, 25860, 27153, 28260, 30170, 32970, 36204, 38790, 39564, 45255, 49455, 54306, 60340, 65940, 67667, 77580, 90510, 98910, 108612, 135334, 135765, 181020, 197820, 203001, 270668, 271530, 338335, 406002, 473669, 543060, 609003, 676670, 812004, 947338, 1015005, 1218006, 1353340, 1421007, 1894676, 2030010, 2368345, 2436012, 2842014, 3045015, 4060020, 4263021, 4736690, 5684028, 6090030, 7105035, 8526042, 9473380, 12180060, 14210070, 17052084, 21315105, 28420140, 42630210, 85260420]

約数ペア:

[(1, 85260420), (2, 42630210), (3, 28420140), (4, 21315105), (5, 17052084), (6, 14210070), (7, 12180060), (9, 9473380), (10, 8526042), (12, 7105035), (14, 6090030), (15, 5684028), (18, 4736690), (20, 4263021), (21, 4060020), (28, 3045015), (30, 2842014), (35, 2436012), (36, 2368345), (42, 2030010), (45, 1894676), (60, 1421007), (63, 1353340), (70, 1218006), (84, 1015005), (90, 947338), (105, 812004), (126, 676670), (140, 609003), (157, 543060), (180, 473669), (210, 406002), (252, 338335), (314, 271530), (315, 270668), (420, 203001), (431, 197820), (471, 181020), (628, 135765), (630, 135334), (785, 108612), (862, 98910), (942, 90510), (1099, 77580), (1260, 67667), (1293, 65940), (1413, 60340), (1570, 54306), (1724, 49455), (1884, 45255), (2155, 39564), (2198, 38790), (2355, 36204), (2586, 32970), (2826, 30170), (3017, 28260), (3140, 27153), (3297, 25860), (3879, 21980), (4310, 19782), (4396, 19395), (4710, 18102), (5172, 16485), (5495, 15516), (5652, 15085), (6034, 14130), (6465, 13188), (6594, 12930), (7065, 12068), (7758, 10990), (8620, 9891), (9051, 9420)]