312196040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 792529920

約数和(自身を除く): 480333880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 107, 124, 130, 155, 181, 214, 248, 260, 310, 362, 403, 428, 520, 535, 620, 724, 806, 856, 905, 1070, 1240, 1391, 1448, 1612, 1810, 2015, 2140, 2353, 2782, 3224, 3317, 3620, 4030, 4280, 4706, 5564, 5611, 6634, 6955, 7240, 8060, 9412, 11128, 11222, 11765, 13268, 13910, 16120, 16585, 18824, 19367, 22444, 23530, 26536, 27820, 28055, 33170, 38734, 43121, 44888, 47060, 55640, 56110, 66340, 72943, 77468, 86242, 94120, 96835, 112220, 132680, 145886, 154936, 172484, 193670, 215605, 224440, 251771, 291772, 344968, 364715, 387340, 431210, 503542, 583544, 600377, 729430, 774680, 862420, 1007084, 1200754, 1258855, 1458860, 1724840, 2014168, 2401508, 2517710, 2917720, 3001885, 4803016, 5035420, 6003770, 7804901, 10070840, 12007540, 15609802, 24015080, 31219604, 39024505, 62439208, 78049010, 156098020, 312196040]

約数ペア:

[(1, 312196040), (2, 156098020), (4, 78049010), (5, 62439208), (8, 39024505), (10, 31219604), (13, 24015080), (20, 15609802), (26, 12007540), (31, 10070840), (40, 7804901), (52, 6003770), (62, 5035420), (65, 4803016), (104, 3001885), (107, 2917720), (124, 2517710), (130, 2401508), (155, 2014168), (181, 1724840), (214, 1458860), (248, 1258855), (260, 1200754), (310, 1007084), (362, 862420), (403, 774680), (428, 729430), (520, 600377), (535, 583544), (620, 503542), (724, 431210), (806, 387340), (856, 364715), (905, 344968), (1070, 291772), (1240, 251771), (1391, 224440), (1448, 215605), (1612, 193670), (1810, 172484), (2015, 154936), (2140, 145886), (2353, 132680), (2782, 112220), (3224, 96835), (3317, 94120), (3620, 86242), (4030, 77468), (4280, 72943), (4706, 66340), (5564, 56110), (5611, 55640), (6634, 47060), (6955, 44888), (7240, 43121), (8060, 38734), (9412, 33170), (11128, 28055), (11222, 27820), (11765, 26536), (13268, 23530), (13910, 22444), (16120, 19367), (16585, 18824)]