712136960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 1787208192

約数和(自身を除く): 1075071232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 131, 137, 155, 160, 248, 256, 262, 274, 310, 320, 496, 524, 548, 620, 640, 655, 685, 992, 1048, 1096, 1240, 1280, 1310, 1370, 1984, 2096, 2192, 2480, 2620, 2740, 3968, 4061, 4192, 4247, 4384, 4960, 5240, 5480, 7936, 8122, 8384, 8494, 8768, 9920, 10480, 10960, 16244, 16768, 16988, 17536, 17947, 19840, 20305, 20960, 21235, 21920, 32488, 33536, 33976, 35072, 35894, 39680, 40610, 41920, 42470, 43840, 64976, 67952, 71788, 81220, 83840, 84940, 87680, 89735, 129952, 135904, 143576, 162440, 167680, 169880, 175360, 179470, 259904, 271808, 287152, 324880, 339760, 358940, 519808, 543616, 556357, 574304, 649760, 679520, 717880, 1039616, 1087232, 1112714, 1148608, 1299520, 1359040, 1435760, 2225428, 2297216, 2599040, 2718080, 2781785, 2871520, 4450856, 4594432, 5198080, 5436160, 5563570, 5743040, 8901712, 11127140, 11486080, 17803424, 22254280, 22972160, 35606848, 44508560, 71213696, 89017120, 142427392, 178034240, 356068480, 712136960]

約数ペア:

[(1, 712136960), (2, 356068480), (4, 178034240), (5, 142427392), (8, 89017120), (10, 71213696), (16, 44508560), (20, 35606848), (31, 22972160), (32, 22254280), (40, 17803424), (62, 11486080), (64, 11127140), (80, 8901712), (124, 5743040), (128, 5563570), (131, 5436160), (137, 5198080), (155, 4594432), (160, 4450856), (248, 2871520), (256, 2781785), (262, 2718080), (274, 2599040), (310, 2297216), (320, 2225428), (496, 1435760), (524, 1359040), (548, 1299520), (620, 1148608), (640, 1112714), (655, 1087232), (685, 1039616), (992, 717880), (1048, 679520), (1096, 649760), (1240, 574304), (1280, 556357), (1310, 543616), (1370, 519808), (1984, 358940), (2096, 339760), (2192, 324880), (2480, 287152), (2620, 271808), (2740, 259904), (3968, 179470), (4061, 175360), (4192, 169880), (4247, 167680), (4384, 162440), (4960, 143576), (5240, 135904), (5480, 129952), (7936, 89735), (8122, 87680), (8384, 84940), (8494, 83840), (8768, 81220), (9920, 71788), (10480, 67952), (10960, 64976), (16244, 43840), (16768, 42470), (16988, 41920), (17536, 40610), (17947, 39680), (19840, 35894), (20305, 35072), (20960, 33976), (21235, 33536), (21920, 32488)]