279298880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1861}}^1$

素因数の和:1952

約数の個数: 112

約数和(自身を含む): 771851136

約数和(自身を除く): 492552256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 134, 140, 160, 224, 268, 280, 320, 335, 448, 469, 536, 560, 670, 938, 1072, 1120, 1340, 1861, 1876, 2144, 2240, 2345, 2680, 3722, 3752, 4288, 4690, 5360, 7444, 7504, 9305, 9380, 10720, 13027, 14888, 15008, 18610, 18760, 21440, 26054, 29776, 30016, 37220, 37520, 52108, 59552, 65135, 74440, 75040, 104216, 119104, 124687, 130270, 148880, 150080, 208432, 249374, 260540, 297760, 416864, 498748, 521080, 595520, 623435, 833728, 872809, 997496, 1042160, 1246870, 1745618, 1994992, 2084320, 2493740, 3491236, 3989984, 4168640, 4364045, 4987480, 6982472, 7979968, 8728090, 9974960, 13964944, 17456180, 19949920, 27929888, 34912360, 39899840, 55859776, 69824720, 139649440, 279298880]

約数ペア:

[(1, 279298880), (2, 139649440), (4, 69824720), (5, 55859776), (7, 39899840), (8, 34912360), (10, 27929888), (14, 19949920), (16, 17456180), (20, 13964944), (28, 9974960), (32, 8728090), (35, 7979968), (40, 6982472), (56, 4987480), (64, 4364045), (67, 4168640), (70, 3989984), (80, 3491236), (112, 2493740), (134, 2084320), (140, 1994992), (160, 1745618), (224, 1246870), (268, 1042160), (280, 997496), (320, 872809), (335, 833728), (448, 623435), (469, 595520), (536, 521080), (560, 498748), (670, 416864), (938, 297760), (1072, 260540), (1120, 249374), (1340, 208432), (1861, 150080), (1876, 148880), (2144, 130270), (2240, 124687), (2345, 119104), (2680, 104216), (3722, 75040), (3752, 74440), (4288, 65135), (4690, 59552), (5360, 52108), (7444, 37520), (7504, 37220), (9305, 30016), (9380, 29776), (10720, 26054), (13027, 21440), (14888, 18760), (15008, 18610)]