1540760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 3734640

約数和(自身を除く): 2193880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2963, 5926, 11852, 14815, 23704, 29630, 38519, 59260, 77038, 118520, 154076, 192595, 308152, 385190, 770380, 1540760]

約数ペア:

[(1, 1540760), (2, 770380), (4, 385190), (5, 308152), (8, 192595), (10, 154076), (13, 118520), (20, 77038), (26, 59260), (40, 38519), (52, 29630), (65, 23704), (104, 14815), (130, 11852), (260, 5926), (520, 2963)]