90658480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 233342208

約数和(自身を除く): 142683728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1451, 1562, 2840, 2902, 3124, 3905, 5680, 5804, 6248, 7255, 7810, 11608, 12496, 14510, 15620, 15961, 23216, 29020, 31240, 31922, 58040, 62480, 63844, 79805, 103021, 116080, 127688, 159610, 206042, 255376, 319220, 412084, 515105, 638440, 824168, 1030210, 1133231, 1276880, 1648336, 2060420, 2266462, 4120840, 4532924, 5666155, 8241680, 9065848, 11332310, 18131696, 22664620, 45329240, 90658480]

約数ペア:

[(1, 90658480), (2, 45329240), (4, 22664620), (5, 18131696), (8, 11332310), (10, 9065848), (11, 8241680), (16, 5666155), (20, 4532924), (22, 4120840), (40, 2266462), (44, 2060420), (55, 1648336), (71, 1276880), (80, 1133231), (88, 1030210), (110, 824168), (142, 638440), (176, 515105), (220, 412084), (284, 319220), (355, 255376), (440, 206042), (568, 159610), (710, 127688), (781, 116080), (880, 103021), (1136, 79805), (1420, 63844), (1451, 62480), (1562, 58040), (2840, 31922), (2902, 31240), (3124, 29020), (3905, 23216), (5680, 15961), (5804, 15620), (6248, 14510), (7255, 12496), (7810, 11608)]