2020779720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:640

約数の個数: 192

約数和(自身を含む): 6694974000

約数和(自身を除く): 4674194280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 149, 180, 202, 298, 303, 360, 373, 404, 447, 505, 596, 606, 745, 746, 808, 894, 909, 1010, 1119, 1192, 1212, 1341, 1490, 1492, 1515, 1788, 1818, 1865, 2020, 2235, 2238, 2424, 2682, 2980, 2984, 3030, 3357, 3576, 3636, 3730, 4040, 4470, 4476, 4545, 5364, 5595, 5960, 6060, 6705, 6714, 7272, 7460, 8940, 8952, 9090, 10728, 11190, 12120, 13410, 13428, 14920, 15049, 16785, 17880, 18180, 22380, 26820, 26856, 30098, 33570, 36360, 37673, 44760, 45147, 53640, 55577, 60196, 67140, 75245, 75346, 90294, 111154, 113019, 120392, 134280, 135441, 150490, 150692, 166731, 180588, 188365, 222308, 225735, 226038, 270882, 277885, 300980, 301384, 333462, 339057, 361176, 376730, 444616, 451470, 452076, 500193, 541764, 555770, 565095, 601960, 666924, 677205, 678114, 753460, 833655, 902940, 904152, 1000386, 1083528, 1111540, 1130190, 1333848, 1354410, 1356228, 1506920, 1667310, 1695285, 1805880, 2000772, 2223080, 2260380, 2500965, 2708820, 2712456, 3334620, 3390570, 4001544, 4520760, 5001930, 5417640, 5613277, 6669240, 6781140, 10003860, 11226554, 13562280, 16839831, 20007720, 22453108, 28066385, 33679662, 44906216, 50519493, 56132770, 67359324, 84199155, 101038986, 112265540, 134718648, 168398310, 202077972, 224531080, 252597465, 336796620, 404155944, 505194930, 673593240, 1010389860, 2020779720]

約数ペア:

[(1, 2020779720), (2, 1010389860), (3, 673593240), (4, 505194930), (5, 404155944), (6, 336796620), (8, 252597465), (9, 224531080), (10, 202077972), (12, 168398310), (15, 134718648), (18, 112265540), (20, 101038986), (24, 84199155), (30, 67359324), (36, 56132770), (40, 50519493), (45, 44906216), (60, 33679662), (72, 28066385), (90, 22453108), (101, 20007720), (120, 16839831), (149, 13562280), (180, 11226554), (202, 10003860), (298, 6781140), (303, 6669240), (360, 5613277), (373, 5417640), (404, 5001930), (447, 4520760), (505, 4001544), (596, 3390570), (606, 3334620), (745, 2712456), (746, 2708820), (808, 2500965), (894, 2260380), (909, 2223080), (1010, 2000772), (1119, 1805880), (1192, 1695285), (1212, 1667310), (1341, 1506920), (1490, 1356228), (1492, 1354410), (1515, 1333848), (1788, 1130190), (1818, 1111540), (1865, 1083528), (2020, 1000386), (2235, 904152), (2238, 902940), (2424, 833655), (2682, 753460), (2980, 678114), (2984, 677205), (3030, 666924), (3357, 601960), (3576, 565095), (3636, 555770), (3730, 541764), (4040, 500193), (4470, 452076), (4476, 451470), (4545, 444616), (5364, 376730), (5595, 361176), (5960, 339057), (6060, 333462), (6705, 301384), (6714, 300980), (7272, 277885), (7460, 270882), (8940, 226038), (8952, 225735), (9090, 222308), (10728, 188365), (11190, 180588), (12120, 166731), (13410, 150692), (13428, 150490), (14920, 135441), (15049, 134280), (16785, 120392), (17880, 113019), (18180, 111154), (22380, 90294), (26820, 75346), (26856, 75245), (30098, 67140), (33570, 60196), (36360, 55577), (37673, 53640), (44760, 45147)]