642136320

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{7963}}^1$

素因数の和:7997

約数の個数: 216

約数和(自身を含む): 2539432896

約数和(自身を除く): 1897296576

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, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 7963, 8064, 8960, 10080, 11520, 13440, 15926, 16128, 20160, 23889, 26880, 31852, 39815, 40320, 47778, 55741, 63704, 71667, 79630, 80640, 95556, 111482, 119445, 127408, 143334, 159260, 167223, 191112, 222964, 238890, 254816, 278705, 286668, 318520, 334446, 358335, 382224, 445928, 477780, 501669, 509632, 557410, 573336, 637040, 668892, 716670, 764448, 836115, 891856, 955560, 1003338, 1019264, 1114820, 1146672, 1274080, 1337784, 1433340, 1528896, 1672230, 1783712, 1911120, 2006676, 2038528, 2229640, 2293344, 2508345, 2548160, 2675568, 2866680, 3057792, 3344460, 3567424, 3822240, 4013352, 4459280, 4586688, 5016690, 5096320, 5351136, 5733360, 6115584, 6688920, 7134848, 7644480, 8026704, 8918560, 9173376, 10033380, 10192640, 10702272, 11466720, 13377840, 14269696, 15288960, 16053408, 17837120, 18346752, 20066760, 21404544, 22933440, 26755680, 30577920, 32106816, 35674240, 40133520, 42809088, 45866880, 53511360, 64213632, 71348480, 80267040, 91733760, 107022720, 128427264, 160534080, 214045440, 321068160, 642136320]

約数ペア:

[(1, 642136320), (2, 321068160), (3, 214045440), (4, 160534080), (5, 128427264), (6, 107022720), (7, 91733760), (8, 80267040), (9, 71348480), (10, 64213632), (12, 53511360), (14, 45866880), (15, 42809088), (16, 40133520), (18, 35674240), (20, 32106816), (21, 30577920), (24, 26755680), (28, 22933440), (30, 21404544), (32, 20066760), (35, 18346752), (36, 17837120), (40, 16053408), (42, 15288960), (45, 14269696), (48, 13377840), (56, 11466720), (60, 10702272), (63, 10192640), (64, 10033380), (70, 9173376), (72, 8918560), (80, 8026704), (84, 7644480), (90, 7134848), (96, 6688920), (105, 6115584), (112, 5733360), (120, 5351136), (126, 5096320), (128, 5016690), (140, 4586688), (144, 4459280), (160, 4013352), (168, 3822240), (180, 3567424), (192, 3344460), (210, 3057792), (224, 2866680), (240, 2675568), (252, 2548160), (256, 2508345), (280, 2293344), (288, 2229640), (315, 2038528), (320, 2006676), (336, 1911120), (360, 1783712), (384, 1672230), (420, 1528896), (448, 1433340), (480, 1337784), (504, 1274080), (560, 1146672), (576, 1114820), (630, 1019264), (640, 1003338), (672, 955560), (720, 891856), (768, 836115), (840, 764448), (896, 716670), (960, 668892), (1008, 637040), (1120, 573336), (1152, 557410), (1260, 509632), (1280, 501669), (1344, 477780), (1440, 445928), (1680, 382224), (1792, 358335), (1920, 334446), (2016, 318520), (2240, 286668), (2304, 278705), (2520, 254816), (2688, 238890), (2880, 222964), (3360, 191112), (3840, 167223), (4032, 159260), (4480, 143334), (5040, 127408), (5376, 119445), (5760, 111482), (6720, 95556), (7963, 80640), (8064, 79630), (8960, 71667), (10080, 63704), (11520, 55741), (13440, 47778), (15926, 40320), (16128, 39815), (20160, 31852), (23889, 26880)]