90217840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 223066080

約数和(自身を除く): 132848240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 1051, 1073, 1160, 1480, 2102, 2146, 2320, 2960, 4204, 4292, 5255, 5365, 8408, 8584, 10510, 10730, 16816, 17168, 21020, 21460, 30479, 38887, 42040, 42920, 60958, 77774, 84080, 85840, 121916, 152395, 155548, 194435, 243832, 304790, 311096, 388870, 487664, 609580, 622192, 777740, 1127723, 1219160, 1555480, 2255446, 2438320, 3110960, 4510892, 5638615, 9021784, 11277230, 18043568, 22554460, 45108920, 90217840]

約数ペア:

[(1, 90217840), (2, 45108920), (4, 22554460), (5, 18043568), (8, 11277230), (10, 9021784), (16, 5638615), (20, 4510892), (29, 3110960), (37, 2438320), (40, 2255446), (58, 1555480), (74, 1219160), (80, 1127723), (116, 777740), (145, 622192), (148, 609580), (185, 487664), (232, 388870), (290, 311096), (296, 304790), (370, 243832), (464, 194435), (580, 155548), (592, 152395), (740, 121916), (1051, 85840), (1073, 84080), (1160, 77774), (1480, 60958), (2102, 42920), (2146, 42040), (2320, 38887), (2960, 30479), (4204, 21460), (4292, 21020), (5255, 17168), (5365, 16816), (8408, 10730), (8584, 10510)]