90663320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5569}}^1$

素因数の和:5628

約数の個数: 64

約数和(自身を含む): 228592800

約数和(自身を除く): 137929480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 5569, 8140, 11138, 16280, 22276, 27845, 44552, 55690, 61259, 111380, 122518, 206053, 222760, 245036, 306295, 412106, 490072, 612590, 824212, 1030265, 1225180, 1648424, 2060530, 2266583, 2450360, 4121060, 4533166, 8242120, 9066332, 11332915, 18132664, 22665830, 45331660, 90663320]

約数ペア:

[(1, 90663320), (2, 45331660), (4, 22665830), (5, 18132664), (8, 11332915), (10, 9066332), (11, 8242120), (20, 4533166), (22, 4121060), (37, 2450360), (40, 2266583), (44, 2060530), (55, 1648424), (74, 1225180), (88, 1030265), (110, 824212), (148, 612590), (185, 490072), (220, 412106), (296, 306295), (370, 245036), (407, 222760), (440, 206053), (740, 122518), (814, 111380), (1480, 61259), (1628, 55690), (2035, 44552), (3256, 27845), (4070, 22276), (5569, 16280), (8140, 11138)]