161365160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1427}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 397897920

約数和(自身を除く): 236532760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 440, 514, 1028, 1285, 1427, 2056, 2570, 2827, 2854, 5140, 5654, 5708, 7135, 10280, 11308, 11416, 14135, 14270, 15697, 22616, 28270, 28540, 31394, 56540, 57080, 62788, 78485, 113080, 125576, 156970, 313940, 366739, 627880, 733478, 1466956, 1833695, 2933912, 3667390, 4034129, 7334780, 8068258, 14669560, 16136516, 20170645, 32273032, 40341290, 80682580, 161365160]

約数ペア:

[(1, 161365160), (2, 80682580), (4, 40341290), (5, 32273032), (8, 20170645), (10, 16136516), (11, 14669560), (20, 8068258), (22, 7334780), (40, 4034129), (44, 3667390), (55, 2933912), (88, 1833695), (110, 1466956), (220, 733478), (257, 627880), (440, 366739), (514, 313940), (1028, 156970), (1285, 125576), (1427, 113080), (2056, 78485), (2570, 62788), (2827, 57080), (2854, 56540), (5140, 31394), (5654, 28540), (5708, 28270), (7135, 22616), (10280, 15697), (11308, 14270), (11416, 14135)]