400628160

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:636

約数の個数: 224

約数和(自身を含む): 1431950400

約数和(自身を除く): 1031322240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 89, 90, 96, 108, 120, 135, 144, 160, 178, 180, 192, 216, 240, 267, 270, 288, 320, 356, 360, 432, 445, 480, 521, 534, 540, 576, 712, 720, 801, 864, 890, 960, 1042, 1068, 1080, 1335, 1424, 1440, 1563, 1602, 1728, 1780, 2084, 2136, 2160, 2403, 2605, 2670, 2848, 2880, 3126, 3204, 3560, 4005, 4168, 4272, 4320, 4689, 4806, 5210, 5340, 5696, 6252, 6408, 7120, 7815, 8010, 8336, 8544, 8640, 9378, 9612, 10420, 10680, 12015, 12504, 12816, 14067, 14240, 15630, 16020, 16672, 17088, 18756, 19224, 20840, 21360, 23445, 24030, 25008, 25632, 28134, 28480, 31260, 32040, 33344, 37512, 38448, 41680, 42720, 46369, 46890, 48060, 50016, 51264, 56268, 62520, 64080, 70335, 75024, 76896, 83360, 85440, 92738, 93780, 96120, 100032, 112536, 125040, 128160, 139107, 140670, 150048, 153792, 166720, 185476, 187560, 192240, 225072, 231845, 250080, 256320, 278214, 281340, 300096, 370952, 375120, 384480, 417321, 450144, 463690, 500160, 556428, 562680, 695535, 741904, 750240, 768960, 834642, 900288, 927380, 1112856, 1125360, 1251963, 1391070, 1483808, 1500480, 1669284, 1854760, 2086605, 2225712, 2250720, 2503926, 2782140, 2967616, 3338568, 3709520, 4173210, 4451424, 4501440, 5007852, 5564280, 6259815, 6677136, 7419040, 8346420, 8902848, 10015704, 11128560, 12519630, 13354272, 14838080, 16692840, 20031408, 22257120, 25039260, 26708544, 33385680, 40062816, 44514240, 50078520, 66771360, 80125632, 100157040, 133542720, 200314080, 400628160]

約数ペア:

[(1, 400628160), (2, 200314080), (3, 133542720), (4, 100157040), (5, 80125632), (6, 66771360), (8, 50078520), (9, 44514240), (10, 40062816), (12, 33385680), (15, 26708544), (16, 25039260), (18, 22257120), (20, 20031408), (24, 16692840), (27, 14838080), (30, 13354272), (32, 12519630), (36, 11128560), (40, 10015704), (45, 8902848), (48, 8346420), (54, 7419040), (60, 6677136), (64, 6259815), (72, 5564280), (80, 5007852), (89, 4501440), (90, 4451424), (96, 4173210), (108, 3709520), (120, 3338568), (135, 2967616), (144, 2782140), (160, 2503926), (178, 2250720), (180, 2225712), (192, 2086605), (216, 1854760), (240, 1669284), (267, 1500480), (270, 1483808), (288, 1391070), (320, 1251963), (356, 1125360), (360, 1112856), (432, 927380), (445, 900288), (480, 834642), (521, 768960), (534, 750240), (540, 741904), (576, 695535), (712, 562680), (720, 556428), (801, 500160), (864, 463690), (890, 450144), (960, 417321), (1042, 384480), (1068, 375120), (1080, 370952), (1335, 300096), (1424, 281340), (1440, 278214), (1563, 256320), (1602, 250080), (1728, 231845), (1780, 225072), (2084, 192240), (2136, 187560), (2160, 185476), (2403, 166720), (2605, 153792), (2670, 150048), (2848, 140670), (2880, 139107), (3126, 128160), (3204, 125040), (3560, 112536), (4005, 100032), (4168, 96120), (4272, 93780), (4320, 92738), (4689, 85440), (4806, 83360), (5210, 76896), (5340, 75024), (5696, 70335), (6252, 64080), (6408, 62520), (7120, 56268), (7815, 51264), (8010, 50016), (8336, 48060), (8544, 46890), (8640, 46369), (9378, 42720), (9612, 41680), (10420, 38448), (10680, 37512), (12015, 33344), (12504, 32040), (12816, 31260), (14067, 28480), (14240, 28134), (15630, 25632), (16020, 25008), (16672, 24030), (17088, 23445), (18756, 21360), (19224, 20840)]