77772760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149563}}^1$

素因数の和:149587

約数の個数: 32

約数和(自身を含む): 188450640

約数和(自身を除く): 110677880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 149563, 299126, 598252, 747815, 1196504, 1495630, 1944319, 2991260, 3888638, 5982520, 7777276, 9721595, 15554552, 19443190, 38886380, 77772760]

約数ペア:

[(1, 77772760), (2, 38886380), (4, 19443190), (5, 15554552), (8, 9721595), (10, 7777276), (13, 5982520), (20, 3888638), (26, 2991260), (40, 1944319), (52, 1495630), (65, 1196504), (104, 747815), (130, 598252), (260, 299126), (520, 149563)]