1321223680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4337}}^1$

素因数の和:4384

約数の個数: 160

約数和(自身を含む): 3834236736

約数和(自身を除く): 2513013056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 512, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 2176, 2240, 2380, 2560, 2720, 3584, 3808, 4337, 4352, 4480, 4760, 5440, 7616, 8674, 8704, 8960, 9520, 10880, 15232, 17348, 17920, 19040, 21685, 21760, 30359, 30464, 34696, 38080, 43370, 43520, 60718, 60928, 69392, 73729, 76160, 86740, 121436, 138784, 147458, 151795, 152320, 173480, 242872, 277568, 294916, 303590, 304640, 346960, 368645, 485744, 516103, 555136, 589832, 607180, 693920, 737290, 971488, 1032206, 1110272, 1179664, 1214360, 1387840, 1474580, 1942976, 2064412, 2220544, 2359328, 2428720, 2580515, 2775680, 2949160, 3885952, 4128824, 4718656, 4857440, 5161030, 5551360, 5898320, 7771904, 8257648, 9437312, 9714880, 10322060, 11102720, 11796640, 15543808, 16515296, 18874624, 19429760, 20644120, 23593280, 33030592, 37749248, 38859520, 41288240, 47186560, 66061184, 77719040, 82576480, 94373120, 132122368, 165152960, 188746240, 264244736, 330305920, 660611840, 1321223680]

約数ペア:

[(1, 1321223680), (2, 660611840), (4, 330305920), (5, 264244736), (7, 188746240), (8, 165152960), (10, 132122368), (14, 94373120), (16, 82576480), (17, 77719040), (20, 66061184), (28, 47186560), (32, 41288240), (34, 38859520), (35, 37749248), (40, 33030592), (56, 23593280), (64, 20644120), (68, 19429760), (70, 18874624), (80, 16515296), (85, 15543808), (112, 11796640), (119, 11102720), (128, 10322060), (136, 9714880), (140, 9437312), (160, 8257648), (170, 7771904), (224, 5898320), (238, 5551360), (256, 5161030), (272, 4857440), (280, 4718656), (320, 4128824), (340, 3885952), (448, 2949160), (476, 2775680), (512, 2580515), (544, 2428720), (560, 2359328), (595, 2220544), (640, 2064412), (680, 1942976), (896, 1474580), (952, 1387840), (1088, 1214360), (1120, 1179664), (1190, 1110272), (1280, 1032206), (1360, 971488), (1792, 737290), (1904, 693920), (2176, 607180), (2240, 589832), (2380, 555136), (2560, 516103), (2720, 485744), (3584, 368645), (3808, 346960), (4337, 304640), (4352, 303590), (4480, 294916), (4760, 277568), (5440, 242872), (7616, 173480), (8674, 152320), (8704, 151795), (8960, 147458), (9520, 138784), (10880, 121436), (15232, 86740), (17348, 76160), (17920, 73729), (19040, 69392), (21685, 60928), (21760, 60718), (30359, 43520), (30464, 43370), (34696, 38080)]