256840656

素因数分解:

$2^4\times 3^1\times {\mathrm{167}}^1\times {\mathrm{179}}^2$

素因数の和:536

約数の個数: 60

約数和(自身を含む): 671227872

約数和(自身を除く): 414387216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 167, 179, 334, 358, 501, 537, 668, 716, 1002, 1074, 1336, 1432, 2004, 2148, 2672, 2864, 4008, 4296, 8016, 8592, 29893, 32041, 59786, 64082, 89679, 96123, 119572, 128164, 179358, 192246, 239144, 256328, 358716, 384492, 478288, 512656, 717432, 768984, 1434864, 1537968, 5350847, 10701694, 16052541, 21403388, 32105082, 42806776, 64210164, 85613552, 128420328, 256840656]

約数ペア:

[(1, 256840656), (2, 128420328), (3, 85613552), (4, 64210164), (6, 42806776), (8, 32105082), (12, 21403388), (16, 16052541), (24, 10701694), (48, 5350847), (167, 1537968), (179, 1434864), (334, 768984), (358, 717432), (501, 512656), (537, 478288), (668, 384492), (716, 358716), (1002, 256328), (1074, 239144), (1336, 192246), (1432, 179358), (2004, 128164), (2148, 119572), (2672, 96123), (2864, 89679), (4008, 64082), (4296, 59786), (8016, 32041), (8592, 29893)]