77540040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{215389}}^1$

素因数の和:215406

約数の個数: 48

約数和(自身を含む): 252006300

約数和(自身を除く): 174466260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 215389, 430778, 646167, 861556, 1076945, 1292334, 1723112, 1938501, 2153890, 2584668, 3230835, 3877002, 4307780, 5169336, 6461670, 7754004, 8615560, 9692505, 12923340, 15508008, 19385010, 25846680, 38770020, 77540040]

約数ペア:

[(1, 77540040), (2, 38770020), (3, 25846680), (4, 19385010), (5, 15508008), (6, 12923340), (8, 9692505), (9, 8615560), (10, 7754004), (12, 6461670), (15, 5169336), (18, 4307780), (20, 3877002), (24, 3230835), (30, 2584668), (36, 2153890), (40, 1938501), (45, 1723112), (60, 1292334), (72, 1076945), (90, 861556), (120, 646167), (180, 430778), (360, 215389)]