904069120

素因数分解:

$2^{16}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 136

約数和(自身を含む): 2264906880

約数和(自身を除く): 1360837760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 128, 155, 160, 178, 248, 256, 310, 320, 356, 445, 496, 512, 620, 640, 712, 890, 992, 1024, 1240, 1280, 1424, 1780, 1984, 2048, 2480, 2560, 2759, 2848, 3560, 3968, 4096, 4960, 5120, 5518, 5696, 7120, 7936, 8192, 9920, 10240, 11036, 11392, 13795, 14240, 15872, 16384, 19840, 20480, 22072, 22784, 27590, 28480, 31744, 32768, 39680, 40960, 44144, 45568, 55180, 56960, 63488, 65536, 79360, 81920, 88288, 91136, 110360, 113920, 126976, 158720, 163840, 176576, 182272, 220720, 227840, 253952, 317440, 327680, 353152, 364544, 441440, 455680, 507904, 634880, 706304, 729088, 882880, 911360, 1015808, 1269760, 1412608, 1458176, 1765760, 1822720, 2031616, 2539520, 2825216, 2916352, 3531520, 3645440, 5079040, 5650432, 5832704, 7063040, 7290880, 10158080, 11300864, 14126080, 14581760, 22601728, 28252160, 29163520, 45203456, 56504320, 90406912, 113008640, 180813824, 226017280, 452034560, 904069120]

約数ペア:

[(1, 904069120), (2, 452034560), (4, 226017280), (5, 180813824), (8, 113008640), (10, 90406912), (16, 56504320), (20, 45203456), (31, 29163520), (32, 28252160), (40, 22601728), (62, 14581760), (64, 14126080), (80, 11300864), (89, 10158080), (124, 7290880), (128, 7063040), (155, 5832704), (160, 5650432), (178, 5079040), (248, 3645440), (256, 3531520), (310, 2916352), (320, 2825216), (356, 2539520), (445, 2031616), (496, 1822720), (512, 1765760), (620, 1458176), (640, 1412608), (712, 1269760), (890, 1015808), (992, 911360), (1024, 882880), (1240, 729088), (1280, 706304), (1424, 634880), (1780, 507904), (1984, 455680), (2048, 441440), (2480, 364544), (2560, 353152), (2759, 327680), (2848, 317440), (3560, 253952), (3968, 227840), (4096, 220720), (4960, 182272), (5120, 176576), (5518, 163840), (5696, 158720), (7120, 126976), (7936, 113920), (8192, 110360), (9920, 91136), (10240, 88288), (11036, 81920), (11392, 79360), (13795, 65536), (14240, 63488), (15872, 56960), (16384, 55180), (19840, 45568), (20480, 44144), (22072, 40960), (22784, 39680), (27590, 32768), (28480, 31744)]