256143600

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 240

約数和(自身を含む): 937782240

約数和(自身を除く): 681638640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 37, 40, 45, 48, 50, 54, 60, 72, 74, 75, 80, 90, 100, 108, 111, 120, 135, 144, 148, 150, 180, 185, 200, 216, 222, 225, 240, 270, 296, 300, 333, 360, 370, 400, 432, 444, 450, 540, 555, 592, 600, 641, 666, 675, 720, 740, 888, 900, 925, 999, 1080, 1110, 1200, 1282, 1332, 1350, 1480, 1665, 1776, 1800, 1850, 1923, 1998, 2160, 2220, 2564, 2664, 2700, 2775, 2960, 3205, 3330, 3600, 3700, 3846, 3996, 4440, 4995, 5128, 5328, 5400, 5550, 5769, 6410, 6660, 7400, 7692, 7992, 8325, 8880, 9615, 9990, 10256, 10800, 11100, 11538, 12820, 13320, 14800, 15384, 15984, 16025, 16650, 17307, 19230, 19980, 22200, 23076, 23717, 24975, 25640, 26640, 28845, 30768, 32050, 33300, 34614, 38460, 39960, 44400, 46152, 47434, 48075, 49950, 51280, 57690, 64100, 66600, 69228, 71151, 76920, 79920, 86535, 92304, 94868, 96150, 99900, 115380, 118585, 128200, 133200, 138456, 142302, 144225, 153840, 173070, 189736, 192300, 199800, 213453, 230760, 237170, 256400, 276912, 284604, 288450, 346140, 355755, 379472, 384600, 399600, 426906, 432675, 461520, 474340, 569208, 576900, 592925, 640359, 692280, 711510, 769200, 853812, 865350, 948680, 1067265, 1138416, 1153800, 1185850, 1280718, 1384560, 1423020, 1707624, 1730700, 1778775, 1897360, 2134530, 2307600, 2371700, 2561436, 2846040, 3201795, 3415248, 3461400, 3557550, 4269060, 4743400, 5122872, 5336325, 5692080, 6403590, 6922800, 7115100, 8538120, 9486800, 10245744, 10672650, 12807180, 14230200, 16008975, 17076240, 21345300, 25614360, 28460400, 32017950, 42690600, 51228720, 64035900, 85381200, 128071800, 256143600]

約数ペア:

[(1, 256143600), (2, 128071800), (3, 85381200), (4, 64035900), (5, 51228720), (6, 42690600), (8, 32017950), (9, 28460400), (10, 25614360), (12, 21345300), (15, 17076240), (16, 16008975), (18, 14230200), (20, 12807180), (24, 10672650), (25, 10245744), (27, 9486800), (30, 8538120), (36, 7115100), (37, 6922800), (40, 6403590), (45, 5692080), (48, 5336325), (50, 5122872), (54, 4743400), (60, 4269060), (72, 3557550), (74, 3461400), (75, 3415248), (80, 3201795), (90, 2846040), (100, 2561436), (108, 2371700), (111, 2307600), (120, 2134530), (135, 1897360), (144, 1778775), (148, 1730700), (150, 1707624), (180, 1423020), (185, 1384560), (200, 1280718), (216, 1185850), (222, 1153800), (225, 1138416), (240, 1067265), (270, 948680), (296, 865350), (300, 853812), (333, 769200), (360, 711510), (370, 692280), (400, 640359), (432, 592925), (444, 576900), (450, 569208), (540, 474340), (555, 461520), (592, 432675), (600, 426906), (641, 399600), (666, 384600), (675, 379472), (720, 355755), (740, 346140), (888, 288450), (900, 284604), (925, 276912), (999, 256400), (1080, 237170), (1110, 230760), (1200, 213453), (1282, 199800), (1332, 192300), (1350, 189736), (1480, 173070), (1665, 153840), (1776, 144225), (1800, 142302), (1850, 138456), (1923, 133200), (1998, 128200), (2160, 118585), (2220, 115380), (2564, 99900), (2664, 96150), (2700, 94868), (2775, 92304), (2960, 86535), (3205, 79920), (3330, 76920), (3600, 71151), (3700, 69228), (3846, 66600), (3996, 64100), (4440, 57690), (4995, 51280), (5128, 49950), (5328, 48075), (5400, 47434), (5550, 46152), (5769, 44400), (6410, 39960), (6660, 38460), (7400, 34614), (7692, 33300), (7992, 32050), (8325, 30768), (8880, 28845), (9615, 26640), (9990, 25640), (10256, 24975), (10800, 23717), (11100, 23076), (11538, 22200), (12820, 19980), (13320, 19230), (14800, 17307), (15384, 16650), (15984, 16025)]