1628529280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21383}}^1$

素因数の和:21426

約数の個数: 128

約数和(自身を含む): 4711322880

約数和(自身を除く): 3082793600

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, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4480, 4760, 5440, 7616, 9520, 10880, 15232, 19040, 21383, 38080, 42766, 76160, 85532, 106915, 149681, 171064, 213830, 299362, 342128, 363511, 427660, 598724, 684256, 727022, 748405, 855320, 1197448, 1368512, 1454044, 1496810, 1710640, 1817555, 2394896, 2544577, 2737024, 2908088, 2993620, 3421280, 3635110, 4789792, 5089154, 5816176, 5987240, 6842560, 7270220, 9579584, 10178308, 11632352, 11974480, 12722885, 13685120, 14540440, 19159168, 20356616, 23264704, 23948960, 25445770, 29080880, 40713232, 46529408, 47897920, 50891540, 58161760, 81426464, 95795840, 101783080, 116323520, 162852928, 203566160, 232647040, 325705856, 407132320, 814264640, 1628529280]

約数ペア:

[(1, 1628529280), (2, 814264640), (4, 407132320), (5, 325705856), (7, 232647040), (8, 203566160), (10, 162852928), (14, 116323520), (16, 101783080), (17, 95795840), (20, 81426464), (28, 58161760), (32, 50891540), (34, 47897920), (35, 46529408), (40, 40713232), (56, 29080880), (64, 25445770), (68, 23948960), (70, 23264704), (80, 20356616), (85, 19159168), (112, 14540440), (119, 13685120), (128, 12722885), (136, 11974480), (140, 11632352), (160, 10178308), (170, 9579584), (224, 7270220), (238, 6842560), (272, 5987240), (280, 5816176), (320, 5089154), (340, 4789792), (448, 3635110), (476, 3421280), (544, 2993620), (560, 2908088), (595, 2737024), (640, 2544577), (680, 2394896), (896, 1817555), (952, 1710640), (1088, 1496810), (1120, 1454044), (1190, 1368512), (1360, 1197448), (1904, 855320), (2176, 748405), (2240, 727022), (2380, 684256), (2720, 598724), (3808, 427660), (4480, 363511), (4760, 342128), (5440, 299362), (7616, 213830), (9520, 171064), (10880, 149681), (15232, 106915), (19040, 85532), (21383, 76160), (38080, 42766)]