201681648

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:412

約数の個数: 180

約数和(自身を含む): 665423928

約数和(自身を除く): 463742280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 101, 112, 126, 144, 147, 168, 196, 202, 252, 283, 294, 303, 336, 392, 404, 441, 504, 566, 588, 606, 707, 784, 808, 849, 882, 909, 1008, 1132, 1176, 1212, 1414, 1616, 1698, 1764, 1818, 1981, 2121, 2264, 2352, 2424, 2547, 2828, 3396, 3528, 3636, 3962, 4242, 4528, 4848, 4949, 5094, 5656, 5943, 6363, 6792, 7056, 7272, 7924, 8484, 9898, 10188, 11312, 11886, 12726, 13584, 13867, 14544, 14847, 15848, 16968, 17829, 19796, 20376, 23772, 25452, 27734, 28583, 29694, 31696, 33936, 35658, 39592, 40752, 41601, 44541, 47544, 50904, 55468, 57166, 59388, 71316, 79184, 83202, 85749, 89082, 95088, 101808, 110936, 114332, 118776, 124803, 142632, 166404, 171498, 178164, 200081, 221872, 228664, 237552, 249606, 257247, 285264, 332808, 342996, 356328, 400162, 457328, 499212, 514494, 600243, 665616, 685992, 712656, 800324, 998424, 1028988, 1200486, 1371984, 1400567, 1600648, 1800729, 1996848, 2057976, 2400972, 2801134, 3201296, 3601458, 4115952, 4201701, 4801944, 5602268, 7202916, 8403402, 9603888, 11204536, 12605103, 14405832, 16806804, 22409072, 25210206, 28811664, 33613608, 50420412, 67227216, 100840824, 201681648]

約数ペア:

[(1, 201681648), (2, 100840824), (3, 67227216), (4, 50420412), (6, 33613608), (7, 28811664), (8, 25210206), (9, 22409072), (12, 16806804), (14, 14405832), (16, 12605103), (18, 11204536), (21, 9603888), (24, 8403402), (28, 7202916), (36, 5602268), (42, 4801944), (48, 4201701), (49, 4115952), (56, 3601458), (63, 3201296), (72, 2801134), (84, 2400972), (98, 2057976), (101, 1996848), (112, 1800729), (126, 1600648), (144, 1400567), (147, 1371984), (168, 1200486), (196, 1028988), (202, 998424), (252, 800324), (283, 712656), (294, 685992), (303, 665616), (336, 600243), (392, 514494), (404, 499212), (441, 457328), (504, 400162), (566, 356328), (588, 342996), (606, 332808), (707, 285264), (784, 257247), (808, 249606), (849, 237552), (882, 228664), (909, 221872), (1008, 200081), (1132, 178164), (1176, 171498), (1212, 166404), (1414, 142632), (1616, 124803), (1698, 118776), (1764, 114332), (1818, 110936), (1981, 101808), (2121, 95088), (2264, 89082), (2352, 85749), (2424, 83202), (2547, 79184), (2828, 71316), (3396, 59388), (3528, 57166), (3636, 55468), (3962, 50904), (4242, 47544), (4528, 44541), (4848, 41601), (4949, 40752), (5094, 39592), (5656, 35658), (5943, 33936), (6363, 31696), (6792, 29694), (7056, 28583), (7272, 27734), (7924, 25452), (8484, 23772), (9898, 20376), (10188, 19796), (11312, 17829), (11886, 16968), (12726, 15848), (13584, 14847), (13867, 14544)]