81925020

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{1873}}^1$

素因数の和:1903

約数の個数: 96

約数和(自身を含む): 258162240

約数和(自身を除く): 176237220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 1873, 2187, 2430, 2916, 3645, 3746, 4374, 4860, 5619, 7290, 7492, 8748, 9365, 10935, 11238, 14580, 16857, 18730, 21870, 22476, 28095, 33714, 37460, 43740, 50571, 56190, 67428, 84285, 101142, 112380, 151713, 168570, 202284, 252855, 303426, 337140, 455139, 505710, 606852, 758565, 910278, 1011420, 1365417, 1517130, 1820556, 2275695, 2730834, 3034260, 4096251, 4551390, 5461668, 6827085, 8192502, 9102780, 13654170, 16385004, 20481255, 27308340, 40962510, 81925020]

約数ペア:

[(1, 81925020), (2, 40962510), (3, 27308340), (4, 20481255), (5, 16385004), (6, 13654170), (9, 9102780), (10, 8192502), (12, 6827085), (15, 5461668), (18, 4551390), (20, 4096251), (27, 3034260), (30, 2730834), (36, 2275695), (45, 1820556), (54, 1517130), (60, 1365417), (81, 1011420), (90, 910278), (108, 758565), (135, 606852), (162, 505710), (180, 455139), (243, 337140), (270, 303426), (324, 252855), (405, 202284), (486, 168570), (540, 151713), (729, 112380), (810, 101142), (972, 84285), (1215, 67428), (1458, 56190), (1620, 50571), (1873, 43740), (2187, 37460), (2430, 33714), (2916, 28095), (3645, 22476), (3746, 21870), (4374, 18730), (4860, 16857), (5619, 14580), (7290, 11238), (7492, 10935), (8748, 9365)]