31344320

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1999}}^1$

素因数の和:2030

約数の個数: 84

約数和(自身を含む): 86868000

約数和(自身を除く): 55523680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 1999, 2240, 3136, 3920, 3998, 7840, 7996, 9995, 13993, 15680, 15992, 19990, 27986, 31984, 39980, 55972, 63968, 69965, 79960, 97951, 111944, 127936, 139930, 159920, 195902, 223888, 279860, 319840, 391804, 447776, 489755, 559720, 639680, 783608, 895552, 979510, 1119440, 1567216, 1959020, 2238880, 3134432, 3918040, 4477760, 6268864, 7836080, 15672160, 31344320]

約数ペア:

[(1, 31344320), (2, 15672160), (4, 7836080), (5, 6268864), (7, 4477760), (8, 3918040), (10, 3134432), (14, 2238880), (16, 1959020), (20, 1567216), (28, 1119440), (32, 979510), (35, 895552), (40, 783608), (49, 639680), (56, 559720), (64, 489755), (70, 447776), (80, 391804), (98, 319840), (112, 279860), (140, 223888), (160, 195902), (196, 159920), (224, 139930), (245, 127936), (280, 111944), (320, 97951), (392, 79960), (448, 69965), (490, 63968), (560, 55972), (784, 39980), (980, 31984), (1120, 27986), (1568, 19990), (1960, 15992), (1999, 15680), (2240, 13993), (3136, 9995), (3920, 7996), (3998, 7840)]