1279784772

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{239}}^1\times {\mathrm{787}}^1$

素因数の和:1052

約数の個数: 144

約数和(自身を含む): 3855022080

約数和(自身を除く): 2575237308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 239, 243, 252, 324, 378, 478, 486, 567, 717, 756, 787, 956, 972, 1134, 1434, 1574, 1673, 1701, 2151, 2268, 2361, 2868, 3148, 3346, 3402, 4302, 4722, 5019, 5509, 6453, 6692, 6804, 7083, 8604, 9444, 10038, 11018, 12906, 14166, 15057, 16527, 19359, 20076, 21249, 22036, 25812, 28332, 30114, 33054, 38718, 42498, 45171, 49581, 58077, 60228, 63747, 66108, 77436, 84996, 90342, 99162, 116154, 127494, 135513, 148743, 180684, 188093, 191241, 198324, 232308, 254988, 271026, 297486, 376186, 382482, 406539, 446229, 542052, 564279, 594972, 752372, 764964, 813078, 892458, 1128558, 1316651, 1338687, 1626156, 1692837, 1784916, 2257116, 2633302, 2677374, 3385674, 3949953, 5078511, 5266604, 5354748, 6771348, 7899906, 10157022, 11849859, 15235533, 15799812, 20314044, 23699718, 30471066, 35549577, 45706599, 47399436, 60942132, 71099154, 91413198, 106648731, 142198308, 182826396, 213297462, 319946193, 426594924, 639892386, 1279784772]

約数ペア:

[(1, 1279784772), (2, 639892386), (3, 426594924), (4, 319946193), (6, 213297462), (7, 182826396), (9, 142198308), (12, 106648731), (14, 91413198), (18, 71099154), (21, 60942132), (27, 47399436), (28, 45706599), (36, 35549577), (42, 30471066), (54, 23699718), (63, 20314044), (81, 15799812), (84, 15235533), (108, 11849859), (126, 10157022), (162, 7899906), (189, 6771348), (239, 5354748), (243, 5266604), (252, 5078511), (324, 3949953), (378, 3385674), (478, 2677374), (486, 2633302), (567, 2257116), (717, 1784916), (756, 1692837), (787, 1626156), (956, 1338687), (972, 1316651), (1134, 1128558), (1434, 892458), (1574, 813078), (1673, 764964), (1701, 752372), (2151, 594972), (2268, 564279), (2361, 542052), (2868, 446229), (3148, 406539), (3346, 382482), (3402, 376186), (4302, 297486), (4722, 271026), (5019, 254988), (5509, 232308), (6453, 198324), (6692, 191241), (6804, 188093), (7083, 180684), (8604, 148743), (9444, 135513), (10038, 127494), (11018, 116154), (12906, 99162), (14166, 90342), (15057, 84996), (16527, 77436), (19359, 66108), (20076, 63747), (21249, 60228), (22036, 58077), (25812, 49581), (28332, 45171), (30114, 42498), (33054, 38718)]