66487500

素因数分解:

$2^2\times 3^3\times 5^5\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 216548640

約数和(自身を除く): 150061140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 197, 225, 250, 270, 300, 375, 394, 450, 500, 540, 591, 625, 675, 750, 788, 900, 985, 1125, 1182, 1250, 1350, 1500, 1773, 1875, 1970, 2250, 2364, 2500, 2700, 2955, 3125, 3375, 3546, 3750, 3940, 4500, 4925, 5319, 5625, 5910, 6250, 6750, 7092, 7500, 8865, 9375, 9850, 10638, 11250, 11820, 12500, 13500, 14775, 16875, 17730, 18750, 19700, 21276, 22500, 24625, 26595, 28125, 29550, 33750, 35460, 37500, 44325, 49250, 53190, 56250, 59100, 67500, 73875, 84375, 88650, 98500, 106380, 112500, 123125, 132975, 147750, 168750, 177300, 221625, 246250, 265950, 295500, 337500, 369375, 443250, 492500, 531900, 615625, 664875, 738750, 886500, 1108125, 1231250, 1329750, 1477500, 1846875, 2216250, 2462500, 2659500, 3324375, 3693750, 4432500, 5540625, 6648750, 7387500, 11081250, 13297500, 16621875, 22162500, 33243750, 66487500]

約数ペア:

[(1, 66487500), (2, 33243750), (3, 22162500), (4, 16621875), (5, 13297500), (6, 11081250), (9, 7387500), (10, 6648750), (12, 5540625), (15, 4432500), (18, 3693750), (20, 3324375), (25, 2659500), (27, 2462500), (30, 2216250), (36, 1846875), (45, 1477500), (50, 1329750), (54, 1231250), (60, 1108125), (75, 886500), (90, 738750), (100, 664875), (108, 615625), (125, 531900), (135, 492500), (150, 443250), (180, 369375), (197, 337500), (225, 295500), (250, 265950), (270, 246250), (300, 221625), (375, 177300), (394, 168750), (450, 147750), (500, 132975), (540, 123125), (591, 112500), (625, 106380), (675, 98500), (750, 88650), (788, 84375), (900, 73875), (985, 67500), (1125, 59100), (1182, 56250), (1250, 53190), (1350, 49250), (1500, 44325), (1773, 37500), (1875, 35460), (1970, 33750), (2250, 29550), (2364, 28125), (2500, 26595), (2700, 24625), (2955, 22500), (3125, 21276), (3375, 19700), (3546, 18750), (3750, 17730), (3940, 16875), (4500, 14775), (4925, 13500), (5319, 12500), (5625, 11820), (5910, 11250), (6250, 10638), (6750, 9850), (7092, 9375), (7500, 8865)]