78960920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 189604800

約数和(自身を除く): 110643880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 302, 340, 604, 680, 755, 769, 1208, 1510, 1538, 2567, 3020, 3076, 3845, 5134, 6040, 6152, 7690, 10268, 12835, 13073, 15380, 20536, 25670, 26146, 30760, 51340, 52292, 65365, 102680, 104584, 116119, 130730, 232238, 261460, 464476, 522920, 580595, 928952, 1161190, 1974023, 2322380, 3948046, 4644760, 7896092, 9870115, 15792184, 19740230, 39480460, 78960920]

約数ペア:

[(1, 78960920), (2, 39480460), (4, 19740230), (5, 15792184), (8, 9870115), (10, 7896092), (17, 4644760), (20, 3948046), (34, 2322380), (40, 1974023), (68, 1161190), (85, 928952), (136, 580595), (151, 522920), (170, 464476), (302, 261460), (340, 232238), (604, 130730), (680, 116119), (755, 104584), (769, 102680), (1208, 65365), (1510, 52292), (1538, 51340), (2567, 30760), (3020, 26146), (3076, 25670), (3845, 20536), (5134, 15380), (6040, 13073), (6152, 12835), (7690, 10268)]