72945000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{1621}}^1$

素因数の和:1653

約数の個数: 120

約数和(自身を含む): 247022490

約数和(自身を除く): 174077490

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1621, 1800, 1875, 2250, 2500, 3000, 3242, 3750, 4500, 4863, 5000, 5625, 6484, 7500, 8105, 9000, 9726, 11250, 12968, 14589, 15000, 16210, 19452, 22500, 24315, 29178, 32420, 38904, 40525, 45000, 48630, 58356, 64840, 72945, 81050, 97260, 116712, 121575, 145890, 162100, 194520, 202625, 243150, 291780, 324200, 364725, 405250, 486300, 583560, 607875, 729450, 810500, 972600, 1013125, 1215750, 1458900, 1621000, 1823625, 2026250, 2431500, 2917800, 3039375, 3647250, 4052500, 4863000, 6078750, 7294500, 8105000, 9118125, 12157500, 14589000, 18236250, 24315000, 36472500, 72945000]

約数ペア:

[(1, 72945000), (2, 36472500), (3, 24315000), (4, 18236250), (5, 14589000), (6, 12157500), (8, 9118125), (9, 8105000), (10, 7294500), (12, 6078750), (15, 4863000), (18, 4052500), (20, 3647250), (24, 3039375), (25, 2917800), (30, 2431500), (36, 2026250), (40, 1823625), (45, 1621000), (50, 1458900), (60, 1215750), (72, 1013125), (75, 972600), (90, 810500), (100, 729450), (120, 607875), (125, 583560), (150, 486300), (180, 405250), (200, 364725), (225, 324200), (250, 291780), (300, 243150), (360, 202625), (375, 194520), (450, 162100), (500, 145890), (600, 121575), (625, 116712), (750, 97260), (900, 81050), (1000, 72945), (1125, 64840), (1250, 58356), (1500, 48630), (1621, 45000), (1800, 40525), (1875, 38904), (2250, 32420), (2500, 29178), (3000, 24315), (3242, 22500), (3750, 19452), (4500, 16210), (4863, 15000), (5000, 14589), (5625, 12968), (6484, 11250), (7500, 9726), (8105, 9000)]