77799900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 238012544

約数和(自身を除く): 160212644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 43, 50, 60, 74, 75, 86, 100, 111, 129, 148, 150, 163, 172, 185, 215, 222, 258, 300, 326, 370, 430, 444, 489, 516, 555, 645, 652, 740, 815, 860, 925, 978, 1075, 1110, 1290, 1591, 1630, 1850, 1956, 2150, 2220, 2445, 2580, 2775, 3182, 3225, 3260, 3700, 4075, 4300, 4773, 4890, 5550, 6031, 6364, 6450, 7009, 7955, 8150, 9546, 9780, 11100, 12062, 12225, 12900, 14018, 15910, 16300, 18093, 19092, 21027, 23865, 24124, 24450, 28036, 30155, 31820, 35045, 36186, 39775, 42054, 47730, 48900, 60310, 70090, 72372, 79550, 84108, 90465, 95460, 105135, 119325, 120620, 140180, 150775, 159100, 175225, 180930, 210270, 238650, 259333, 301550, 350450, 361860, 420540, 452325, 477300, 518666, 525675, 603100, 700900, 777999, 904650, 1037332, 1051350, 1296665, 1555998, 1809300, 2102700, 2593330, 3111996, 3889995, 5186660, 6483325, 7779990, 12966650, 15559980, 19449975, 25933300, 38899950, 77799900]

約数ペア:

[(1, 77799900), (2, 38899950), (3, 25933300), (4, 19449975), (5, 15559980), (6, 12966650), (10, 7779990), (12, 6483325), (15, 5186660), (20, 3889995), (25, 3111996), (30, 2593330), (37, 2102700), (43, 1809300), (50, 1555998), (60, 1296665), (74, 1051350), (75, 1037332), (86, 904650), (100, 777999), (111, 700900), (129, 603100), (148, 525675), (150, 518666), (163, 477300), (172, 452325), (185, 420540), (215, 361860), (222, 350450), (258, 301550), (300, 259333), (326, 238650), (370, 210270), (430, 180930), (444, 175225), (489, 159100), (516, 150775), (555, 140180), (645, 120620), (652, 119325), (740, 105135), (815, 95460), (860, 90465), (925, 84108), (978, 79550), (1075, 72372), (1110, 70090), (1290, 60310), (1591, 48900), (1630, 47730), (1850, 42054), (1956, 39775), (2150, 36186), (2220, 35045), (2445, 31820), (2580, 30155), (2775, 28036), (3182, 24450), (3225, 24124), (3260, 23865), (3700, 21027), (4075, 19092), (4300, 18093), (4773, 16300), (4890, 15910), (5550, 14018), (6031, 12900), (6364, 12225), (6450, 12062), (7009, 11100), (7955, 9780), (8150, 9546)]