420017760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:246

約数の個数: 216

約数和(自身を含む): 1494956736

約数和(自身を除く): 1074938976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 97, 120, 124, 144, 155, 160, 180, 186, 194, 240, 248, 279, 288, 291, 310, 360, 372, 388, 465, 480, 485, 496, 558, 582, 620, 720, 744, 776, 873, 930, 970, 992, 1116, 1164, 1240, 1395, 1440, 1455, 1488, 1552, 1746, 1860, 1940, 2232, 2328, 2480, 2790, 2910, 2976, 3007, 3104, 3492, 3720, 3880, 4365, 4464, 4656, 4960, 5580, 5820, 6014, 6984, 7440, 7760, 8730, 8928, 9021, 9312, 9409, 11160, 11640, 12028, 13968, 14880, 15035, 15520, 17460, 18042, 18818, 22320, 23280, 24056, 27063, 27936, 28227, 30070, 34920, 36084, 37636, 44640, 45105, 46560, 47045, 48112, 54126, 56454, 60140, 69840, 72168, 75272, 84681, 90210, 94090, 96224, 108252, 112908, 120280, 135315, 139680, 141135, 144336, 150544, 169362, 180420, 188180, 216504, 225816, 240560, 270630, 282270, 288672, 291679, 301088, 338724, 360840, 376360, 423405, 433008, 451632, 481120, 541260, 564540, 583358, 677448, 721680, 752720, 846810, 866016, 875037, 903264, 1082520, 1129080, 1166716, 1354896, 1443360, 1458395, 1505440, 1693620, 1750074, 2165040, 2258160, 2333432, 2625111, 2709792, 2916790, 3387240, 3500148, 4330080, 4375185, 4516320, 4666864, 5250222, 5833580, 6774480, 7000296, 8750370, 9333728, 10500444, 11667160, 13125555, 13548960, 14000592, 17500740, 21000888, 23334320, 26251110, 28001184, 35001480, 42001776, 46668640, 52502220, 70002960, 84003552, 105004440, 140005920, 210008880, 420017760]

約数ペア:

[(1, 420017760), (2, 210008880), (3, 140005920), (4, 105004440), (5, 84003552), (6, 70002960), (8, 52502220), (9, 46668640), (10, 42001776), (12, 35001480), (15, 28001184), (16, 26251110), (18, 23334320), (20, 21000888), (24, 17500740), (30, 14000592), (31, 13548960), (32, 13125555), (36, 11667160), (40, 10500444), (45, 9333728), (48, 8750370), (60, 7000296), (62, 6774480), (72, 5833580), (80, 5250222), (90, 4666864), (93, 4516320), (96, 4375185), (97, 4330080), (120, 3500148), (124, 3387240), (144, 2916790), (155, 2709792), (160, 2625111), (180, 2333432), (186, 2258160), (194, 2165040), (240, 1750074), (248, 1693620), (279, 1505440), (288, 1458395), (291, 1443360), (310, 1354896), (360, 1166716), (372, 1129080), (388, 1082520), (465, 903264), (480, 875037), (485, 866016), (496, 846810), (558, 752720), (582, 721680), (620, 677448), (720, 583358), (744, 564540), (776, 541260), (873, 481120), (930, 451632), (970, 433008), (992, 423405), (1116, 376360), (1164, 360840), (1240, 338724), (1395, 301088), (1440, 291679), (1455, 288672), (1488, 282270), (1552, 270630), (1746, 240560), (1860, 225816), (1940, 216504), (2232, 188180), (2328, 180420), (2480, 169362), (2790, 150544), (2910, 144336), (2976, 141135), (3007, 139680), (3104, 135315), (3492, 120280), (3720, 112908), (3880, 108252), (4365, 96224), (4464, 94090), (4656, 90210), (4960, 84681), (5580, 75272), (5820, 72168), (6014, 69840), (6984, 60140), (7440, 56454), (7760, 54126), (8730, 48112), (8928, 47045), (9021, 46560), (9312, 45105), (9409, 44640), (11160, 37636), (11640, 36084), (12028, 34920), (13968, 30070), (14880, 28227), (15035, 27936), (15520, 27063), (17460, 24056), (18042, 23280), (18818, 22320)]