856679040

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{21247}}^1$

素因数の和:21279

約数の個数: 192

約数和(自身を含む): 3380981760

約数和(自身を除く): 2524302720

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, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 21247, 40320, 42494, 63741, 84988, 106235, 127482, 148729, 169976, 191223, 212470, 254964, 297458, 318705, 339952, 382446, 424940, 446187, 509928, 594916, 637410, 679904, 743645, 764892, 849880, 892374, 956115, 1019856, 1189832, 1274820, 1338561, 1359808, 1487290, 1529784, 1699760, 1784748, 1912230, 2039712, 2230935, 2379664, 2549640, 2677122, 2719616, 2974580, 3059568, 3399520, 3569496, 3824460, 4079424, 4461870, 4759328, 5099280, 5354244, 5949160, 6119136, 6692805, 6799040, 7138992, 7648920, 8158848, 8923740, 9518656, 10198560, 10708488, 11898320, 12238272, 13385610, 13598080, 14277984, 15297840, 17847480, 19037312, 20397120, 21416976, 23796640, 24476544, 26771220, 28555968, 30595680, 35694960, 40794240, 42833952, 47593280, 53542440, 57111936, 61191360, 71389920, 85667904, 95186560, 107084880, 122382720, 142779840, 171335808, 214169760, 285559680, 428339520, 856679040]

約数ペア:

[(1, 856679040), (2, 428339520), (3, 285559680), (4, 214169760), (5, 171335808), (6, 142779840), (7, 122382720), (8, 107084880), (9, 95186560), (10, 85667904), (12, 71389920), (14, 61191360), (15, 57111936), (16, 53542440), (18, 47593280), (20, 42833952), (21, 40794240), (24, 35694960), (28, 30595680), (30, 28555968), (32, 26771220), (35, 24476544), (36, 23796640), (40, 21416976), (42, 20397120), (45, 19037312), (48, 17847480), (56, 15297840), (60, 14277984), (63, 13598080), (64, 13385610), (70, 12238272), (72, 11898320), (80, 10708488), (84, 10198560), (90, 9518656), (96, 8923740), (105, 8158848), (112, 7648920), (120, 7138992), (126, 6799040), (128, 6692805), (140, 6119136), (144, 5949160), (160, 5354244), (168, 5099280), (180, 4759328), (192, 4461870), (210, 4079424), (224, 3824460), (240, 3569496), (252, 3399520), (280, 3059568), (288, 2974580), (315, 2719616), (320, 2677122), (336, 2549640), (360, 2379664), (384, 2230935), (420, 2039712), (448, 1912230), (480, 1784748), (504, 1699760), (560, 1529784), (576, 1487290), (630, 1359808), (640, 1338561), (672, 1274820), (720, 1189832), (840, 1019856), (896, 956115), (960, 892374), (1008, 849880), (1120, 764892), (1152, 743645), (1260, 679904), (1344, 637410), (1440, 594916), (1680, 509928), (1920, 446187), (2016, 424940), (2240, 382446), (2520, 339952), (2688, 318705), (2880, 297458), (3360, 254964), (4032, 212470), (4480, 191223), (5040, 169976), (5760, 148729), (6720, 127482), (8064, 106235), (10080, 84988), (13440, 63741), (20160, 42494), (21247, 40320)]