81917040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{341321}}^1$

素因数の和:341337

約数の個数: 40

約数和(自身を含む): 253943568

約数和(自身を除く): 172026528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 341321, 682642, 1023963, 1365284, 1706605, 2047926, 2730568, 3413210, 4095852, 5119815, 5461136, 6826420, 8191704, 10239630, 13652840, 16383408, 20479260, 27305680, 40958520, 81917040]

約数ペア:

[(1, 81917040), (2, 40958520), (3, 27305680), (4, 20479260), (5, 16383408), (6, 13652840), (8, 10239630), (10, 8191704), (12, 6826420), (15, 5461136), (16, 5119815), (20, 4095852), (24, 3413210), (30, 2730568), (40, 2047926), (48, 1706605), (60, 1365284), (80, 1023963), (120, 682642), (240, 341321)]