71151780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{169409}}^1$

素因数の和:169428

約数の個数: 48

約数和(自身を含む): 227687040

約数和(自身を除く): 156535260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 169409, 338818, 508227, 677636, 847045, 1016454, 1185863, 1694090, 2032908, 2371726, 2541135, 3388180, 3557589, 4743452, 5082270, 5929315, 7115178, 10164540, 11858630, 14230356, 17787945, 23717260, 35575890, 71151780]

約数ペア:

[(1, 71151780), (2, 35575890), (3, 23717260), (4, 17787945), (5, 14230356), (6, 11858630), (7, 10164540), (10, 7115178), (12, 5929315), (14, 5082270), (15, 4743452), (20, 3557589), (21, 3388180), (28, 2541135), (30, 2371726), (35, 2032908), (42, 1694090), (60, 1185863), (70, 1016454), (84, 847045), (105, 677636), (140, 508227), (210, 338818), (420, 169409)]