210238560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20857}}^1$

素因数の和:20885

約数の個数: 144

約数和(自身を含む): 819969696

約数和(自身を除く): 609731136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20857, 41714, 62571, 83428, 104285, 125142, 145999, 166856, 187713, 208570, 250284, 291998, 312855, 333712, 375426, 417140, 437997, 500568, 583996, 625710, 667424, 729995, 750852, 834280, 875994, 938565, 1001136, 1167992, 1251420, 1313991, 1459990, 1501704, 1668560, 1751988, 1877130, 2002272, 2189985, 2335984, 2502840, 2627982, 2919980, 3003408, 3337120, 3503976, 3754260, 4379970, 4671968, 5005680, 5255964, 5839960, 6006816, 6569955, 7007952, 7508520, 8759940, 10011360, 10511928, 11679920, 13139910, 14015904, 15017040, 17519880, 21023856, 23359840, 26279820, 30034080, 35039760, 42047712, 52559640, 70079520, 105119280, 210238560]

約数ペア:

[(1, 210238560), (2, 105119280), (3, 70079520), (4, 52559640), (5, 42047712), (6, 35039760), (7, 30034080), (8, 26279820), (9, 23359840), (10, 21023856), (12, 17519880), (14, 15017040), (15, 14015904), (16, 13139910), (18, 11679920), (20, 10511928), (21, 10011360), (24, 8759940), (28, 7508520), (30, 7007952), (32, 6569955), (35, 6006816), (36, 5839960), (40, 5255964), (42, 5005680), (45, 4671968), (48, 4379970), (56, 3754260), (60, 3503976), (63, 3337120), (70, 3003408), (72, 2919980), (80, 2627982), (84, 2502840), (90, 2335984), (96, 2189985), (105, 2002272), (112, 1877130), (120, 1751988), (126, 1668560), (140, 1501704), (144, 1459990), (160, 1313991), (168, 1251420), (180, 1167992), (210, 1001136), (224, 938565), (240, 875994), (252, 834280), (280, 750852), (288, 729995), (315, 667424), (336, 625710), (360, 583996), (420, 500568), (480, 437997), (504, 417140), (560, 375426), (630, 333712), (672, 312855), (720, 291998), (840, 250284), (1008, 208570), (1120, 187713), (1260, 166856), (1440, 145999), (1680, 125142), (2016, 104285), (2520, 83428), (3360, 62571), (5040, 41714), (10080, 20857)]