648494080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9743}}^1$

素因数の和:9781

約数の個数: 88

約数和(自身を含む): 1675461312

約数和(自身を除く): 1026967232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 5120, 6656, 8320, 9743, 13312, 16640, 19486, 33280, 38972, 48715, 66560, 77944, 97430, 126659, 155888, 194860, 253318, 311776, 389720, 506636, 623552, 633295, 779440, 1013272, 1247104, 1266590, 1558880, 2026544, 2494208, 2533180, 3117760, 4053088, 4988416, 5066360, 6235520, 8106176, 9976832, 10132720, 12471040, 16212352, 20265440, 24942080, 32424704, 40530880, 49884160, 64849408, 81061760, 129698816, 162123520, 324247040, 648494080]

約数ペア:

[(1, 648494080), (2, 324247040), (4, 162123520), (5, 129698816), (8, 81061760), (10, 64849408), (13, 49884160), (16, 40530880), (20, 32424704), (26, 24942080), (32, 20265440), (40, 16212352), (52, 12471040), (64, 10132720), (65, 9976832), (80, 8106176), (104, 6235520), (128, 5066360), (130, 4988416), (160, 4053088), (208, 3117760), (256, 2533180), (260, 2494208), (320, 2026544), (416, 1558880), (512, 1266590), (520, 1247104), (640, 1013272), (832, 779440), (1024, 633295), (1040, 623552), (1280, 506636), (1664, 389720), (2080, 311776), (2560, 253318), (3328, 194860), (4160, 155888), (5120, 126659), (6656, 97430), (8320, 77944), (9743, 66560), (13312, 48715), (16640, 38972), (19486, 33280)]