1961648640

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{12163}}^1$

素因数の和:12199

約数の個数: 240

約数和(自身を含む): 7764913728

約数和(自身を除く): 5803265088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 12163, 13440, 16128, 17920, 20160, 23040, 24326, 26880, 32256, 36489, 40320, 48652, 53760, 60815, 72978, 80640, 85141, 97304, 109467, 121630, 145956, 161280, 170282, 182445, 194608, 218934, 243260, 255423, 291912, 340564, 364890, 389216, 425705, 437868, 486520, 510846, 547335, 583824, 681128, 729780, 766269, 778432, 851410, 875736, 973040, 1021692, 1094670, 1167648, 1277115, 1362256, 1459560, 1532538, 1556864, 1702820, 1751472, 1946080, 2043384, 2189340, 2335296, 2554230, 2724512, 2919120, 3065076, 3113728, 3405640, 3502944, 3831345, 3892160, 4086768, 4378680, 4670592, 5108460, 5449024, 5838240, 6130152, 6227456, 6811280, 7005888, 7662690, 7784320, 8173536, 8757360, 9341184, 10216920, 10898048, 11676480, 12260304, 13622560, 14011776, 15325380, 15568640, 16347072, 17514720, 18682368, 20433840, 21796096, 23352960, 24520608, 27245120, 28023552, 30650760, 31137280, 32694144, 35029440, 40867680, 43592192, 46705920, 49041216, 54490240, 56047104, 61301520, 65388288, 70058880, 81735360, 93411840, 98082432, 108980480, 122603040, 130776576, 140117760, 163470720, 196164864, 217960960, 245206080, 280235520, 326941440, 392329728, 490412160, 653882880, 980824320, 1961648640]

約数ペア:

[(1, 1961648640), (2, 980824320), (3, 653882880), (4, 490412160), (5, 392329728), (6, 326941440), (7, 280235520), (8, 245206080), (9, 217960960), (10, 196164864), (12, 163470720), (14, 140117760), (15, 130776576), (16, 122603040), (18, 108980480), (20, 98082432), (21, 93411840), (24, 81735360), (28, 70058880), (30, 65388288), (32, 61301520), (35, 56047104), (36, 54490240), (40, 49041216), (42, 46705920), (45, 43592192), (48, 40867680), (56, 35029440), (60, 32694144), (63, 31137280), (64, 30650760), (70, 28023552), (72, 27245120), (80, 24520608), (84, 23352960), (90, 21796096), (96, 20433840), (105, 18682368), (112, 17514720), (120, 16347072), (126, 15568640), (128, 15325380), (140, 14011776), (144, 13622560), (160, 12260304), (168, 11676480), (180, 10898048), (192, 10216920), (210, 9341184), (224, 8757360), (240, 8173536), (252, 7784320), (256, 7662690), (280, 7005888), (288, 6811280), (315, 6227456), (320, 6130152), (336, 5838240), (360, 5449024), (384, 5108460), (420, 4670592), (448, 4378680), (480, 4086768), (504, 3892160), (512, 3831345), (560, 3502944), (576, 3405640), (630, 3113728), (640, 3065076), (672, 2919120), (720, 2724512), (768, 2554230), (840, 2335296), (896, 2189340), (960, 2043384), (1008, 1946080), (1120, 1751472), (1152, 1702820), (1260, 1556864), (1280, 1532538), (1344, 1459560), (1440, 1362256), (1536, 1277115), (1680, 1167648), (1792, 1094670), (1920, 1021692), (2016, 973040), (2240, 875736), (2304, 851410), (2520, 778432), (2560, 766269), (2688, 729780), (2880, 681128), (3360, 583824), (3584, 547335), (3840, 510846), (4032, 486520), (4480, 437868), (4608, 425705), (5040, 389216), (5376, 364890), (5760, 340564), (6720, 291912), (7680, 255423), (8064, 243260), (8960, 218934), (10080, 194608), (10752, 182445), (11520, 170282), (12163, 161280), (13440, 145956), (16128, 121630), (17920, 109467), (20160, 97304), (23040, 85141), (24326, 80640), (26880, 72978), (32256, 60815), (36489, 53760), (40320, 48652)]