511729496720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15872503}}^1$

素因数の和:15872560

約数の個数: 80

約数和(自身を含む): 1322624013312

約数和(自身を除く): 810894516592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 15872503, 31745006, 63490012, 79362515, 126980024, 158725030, 206342539, 253960048, 317450060, 412685078, 492047593, 634900120, 825370156, 984095186, 1031712695, 1269800240, 1650740312, 1968190372, 2063425390, 2460237965, 3301480624, 3936380744, 4126850780, 4920475930, 6396618709, 7872761488, 8253701560, 9840951860, 12793237418, 16507403120, 19681903720, 25586474836, 31983093545, 39363807440, 51172949672, 63966187090, 102345899344, 127932374180, 255864748360, 511729496720]

約数ペア:

[(1, 511729496720), (2, 255864748360), (4, 127932374180), (5, 102345899344), (8, 63966187090), (10, 51172949672), (13, 39363807440), (16, 31983093545), (20, 25586474836), (26, 19681903720), (31, 16507403120), (40, 12793237418), (52, 9840951860), (62, 8253701560), (65, 7872761488), (80, 6396618709), (104, 4920475930), (124, 4126850780), (130, 3936380744), (155, 3301480624), (208, 2460237965), (248, 2063425390), (260, 1968190372), (310, 1650740312), (403, 1269800240), (496, 1031712695), (520, 984095186), (620, 825370156), (806, 634900120), (1040, 492047593), (1240, 412685078), (1612, 317450060), (2015, 253960048), (2480, 206342539), (3224, 158725030), (4030, 126980024), (6448, 79362515), (8060, 63490012), (16120, 31745006), (32240, 15872503)]