2559760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{653}}^1$

素因数の和:680

約数の個数: 60

約数和(自身を含む): 6933708

約数和(自身を除く): 4373948

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 653, 784, 980, 1306, 1960, 2612, 3265, 3920, 4571, 5224, 6530, 9142, 10448, 13060, 18284, 22855, 26120, 31997, 36568, 45710, 52240, 63994, 73136, 91420, 127988, 159985, 182840, 255976, 319970, 365680, 511952, 639940, 1279880, 2559760]

約数ペア:

[(1, 2559760), (2, 1279880), (4, 639940), (5, 511952), (7, 365680), (8, 319970), (10, 255976), (14, 182840), (16, 159985), (20, 127988), (28, 91420), (35, 73136), (40, 63994), (49, 52240), (56, 45710), (70, 36568), (80, 31997), (98, 26120), (112, 22855), (140, 18284), (196, 13060), (245, 10448), (280, 9142), (392, 6530), (490, 5224), (560, 4571), (653, 3920), (784, 3265), (980, 2612), (1306, 1960)]