1220781312

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:473

約数の個数: 216

約数和(自身を含む): 3762595200

約数和(自身を除く): 2541813888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 79, 96, 114, 128, 144, 152, 158, 171, 192, 228, 237, 256, 288, 304, 316, 342, 353, 384, 456, 474, 576, 608, 632, 684, 706, 711, 768, 912, 948, 1059, 1152, 1216, 1264, 1368, 1412, 1422, 1501, 1824, 1896, 2118, 2304, 2432, 2528, 2736, 2824, 2844, 3002, 3177, 3648, 3792, 4236, 4503, 4864, 5056, 5472, 5648, 5688, 6004, 6354, 6707, 7296, 7584, 8472, 9006, 10112, 10944, 11296, 11376, 12008, 12708, 13414, 13509, 14592, 15168, 16944, 18012, 20121, 20224, 21888, 22592, 22752, 24016, 25416, 26828, 27018, 27887, 30336, 33888, 36024, 40242, 43776, 45184, 45504, 48032, 50832, 53656, 54036, 55774, 60363, 60672, 67776, 72048, 80484, 83661, 90368, 91008, 96064, 101664, 107312, 108072, 111548, 120726, 135552, 144096, 160968, 167322, 182016, 192128, 203328, 214624, 216144, 223096, 241452, 250983, 271104, 288192, 321936, 334644, 384256, 406656, 429248, 432288, 446192, 482904, 501966, 529853, 576384, 643872, 669288, 813312, 858496, 864576, 892384, 965808, 1003932, 1059706, 1152768, 1287744, 1338576, 1589559, 1716992, 1729152, 1784768, 1931616, 2007864, 2119412, 2575488, 2677152, 3179118, 3458304, 3569536, 3863232, 4015728, 4238824, 4768677, 5150976, 5354304, 6358236, 7139072, 7726464, 8031456, 8477648, 9537354, 10708608, 12716472, 15452928, 16062912, 16955296, 19074708, 21417216, 25432944, 32125824, 33910592, 38149416, 50865888, 64251648, 67821184, 76298832, 101731776, 135642368, 152597664, 203463552, 305195328, 406927104, 610390656, 1220781312]

約数ペア:

[(1, 1220781312), (2, 610390656), (3, 406927104), (4, 305195328), (6, 203463552), (8, 152597664), (9, 135642368), (12, 101731776), (16, 76298832), (18, 67821184), (19, 64251648), (24, 50865888), (32, 38149416), (36, 33910592), (38, 32125824), (48, 25432944), (57, 21417216), (64, 19074708), (72, 16955296), (76, 16062912), (79, 15452928), (96, 12716472), (114, 10708608), (128, 9537354), (144, 8477648), (152, 8031456), (158, 7726464), (171, 7139072), (192, 6358236), (228, 5354304), (237, 5150976), (256, 4768677), (288, 4238824), (304, 4015728), (316, 3863232), (342, 3569536), (353, 3458304), (384, 3179118), (456, 2677152), (474, 2575488), (576, 2119412), (608, 2007864), (632, 1931616), (684, 1784768), (706, 1729152), (711, 1716992), (768, 1589559), (912, 1338576), (948, 1287744), (1059, 1152768), (1152, 1059706), (1216, 1003932), (1264, 965808), (1368, 892384), (1412, 864576), (1422, 858496), (1501, 813312), (1824, 669288), (1896, 643872), (2118, 576384), (2304, 529853), (2432, 501966), (2528, 482904), (2736, 446192), (2824, 432288), (2844, 429248), (3002, 406656), (3177, 384256), (3648, 334644), (3792, 321936), (4236, 288192), (4503, 271104), (4864, 250983), (5056, 241452), (5472, 223096), (5648, 216144), (5688, 214624), (6004, 203328), (6354, 192128), (6707, 182016), (7296, 167322), (7584, 160968), (8472, 144096), (9006, 135552), (10112, 120726), (10944, 111548), (11296, 108072), (11376, 107312), (12008, 101664), (12708, 96064), (13414, 91008), (13509, 90368), (14592, 83661), (15168, 80484), (16944, 72048), (18012, 67776), (20121, 60672), (20224, 60363), (21888, 55774), (22592, 54036), (22752, 53656), (24016, 50832), (25416, 48032), (26828, 45504), (27018, 45184), (27887, 43776), (30336, 40242), (33888, 36024)]