421119720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{23873}}^1$

素因数の和:23904

約数の個数: 144

約数和(自身を含む): 1592157060

約数和(自身を除く): 1171037340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 23873, 47746, 71619, 95492, 119365, 143238, 167111, 190984, 214857, 238730, 286476, 334222, 358095, 429714, 477460, 501333, 572952, 668444, 716190, 835555, 859428, 954920, 1002666, 1074285, 1169777, 1336888, 1432380, 1503999, 1671110, 1718856, 2005332, 2148570, 2339554, 2506665, 2864760, 3007998, 3342220, 3509331, 4010664, 4297140, 4679108, 5013330, 5848885, 6015996, 6684440, 7018662, 7519995, 8594280, 9358216, 10026660, 10527993, 11697770, 12031992, 14037324, 15039990, 17546655, 20053320, 21055986, 23395540, 28074648, 30079980, 35093310, 42111972, 46791080, 52639965, 60159960, 70186620, 84223944, 105279930, 140373240, 210559860, 421119720]

約数ペア:

[(1, 421119720), (2, 210559860), (3, 140373240), (4, 105279930), (5, 84223944), (6, 70186620), (7, 60159960), (8, 52639965), (9, 46791080), (10, 42111972), (12, 35093310), (14, 30079980), (15, 28074648), (18, 23395540), (20, 21055986), (21, 20053320), (24, 17546655), (28, 15039990), (30, 14037324), (35, 12031992), (36, 11697770), (40, 10527993), (42, 10026660), (45, 9358216), (49, 8594280), (56, 7519995), (60, 7018662), (63, 6684440), (70, 6015996), (72, 5848885), (84, 5013330), (90, 4679108), (98, 4297140), (105, 4010664), (120, 3509331), (126, 3342220), (140, 3007998), (147, 2864760), (168, 2506665), (180, 2339554), (196, 2148570), (210, 2005332), (245, 1718856), (252, 1671110), (280, 1503999), (294, 1432380), (315, 1336888), (360, 1169777), (392, 1074285), (420, 1002666), (441, 954920), (490, 859428), (504, 835555), (588, 716190), (630, 668444), (735, 572952), (840, 501333), (882, 477460), (980, 429714), (1176, 358095), (1260, 334222), (1470, 286476), (1764, 238730), (1960, 214857), (2205, 190984), (2520, 167111), (2940, 143238), (3528, 119365), (4410, 95492), (5880, 71619), (8820, 47746), (17640, 23873)]