315128580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{404011}}^1$

素因数の和:404036

約数の個数: 48

約数和(自身を含む): 950236224

約数和(自身を除く): 635107644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 404011, 808022, 1212033, 1616044, 2020055, 2424066, 4040110, 4848132, 5252143, 6060165, 8080220, 10504286, 12120330, 15756429, 21008572, 24240660, 26260715, 31512858, 52521430, 63025716, 78782145, 105042860, 157564290, 315128580]

約数ペア:

[(1, 315128580), (2, 157564290), (3, 105042860), (4, 78782145), (5, 63025716), (6, 52521430), (10, 31512858), (12, 26260715), (13, 24240660), (15, 21008572), (20, 15756429), (26, 12120330), (30, 10504286), (39, 8080220), (52, 6060165), (60, 5252143), (65, 4848132), (78, 4040110), (130, 2424066), (156, 2020055), (195, 1616044), (260, 1212033), (390, 808022), (780, 404011)]