78955920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109661}}^1$

素因数の和:109680

約数の個数: 60

約数和(自身を含む): 265162716

約数和(自身を除く): 186206796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 109661, 219322, 328983, 438644, 548305, 657966, 877288, 986949, 1096610, 1315932, 1644915, 1754576, 1973898, 2193220, 2631864, 3289830, 3947796, 4386440, 4934745, 5263728, 6579660, 7895592, 8772880, 9869490, 13159320, 15791184, 19738980, 26318640, 39477960, 78955920]

約数ペア:

[(1, 78955920), (2, 39477960), (3, 26318640), (4, 19738980), (5, 15791184), (6, 13159320), (8, 9869490), (9, 8772880), (10, 7895592), (12, 6579660), (15, 5263728), (16, 4934745), (18, 4386440), (20, 3947796), (24, 3289830), (30, 2631864), (36, 2193220), (40, 1973898), (45, 1754576), (48, 1644915), (60, 1315932), (72, 1096610), (80, 986949), (90, 877288), (120, 657966), (144, 548305), (180, 438644), (240, 328983), (360, 219322), (720, 109661)]