15559980

素因数分解:

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

素因数の和:255

約数の個数: 96

約数和(自身を含む): 46066944

約数和(自身を除く): 30506964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 43, 60, 74, 86, 111, 129, 148, 163, 172, 185, 215, 222, 258, 326, 370, 430, 444, 489, 516, 555, 645, 652, 740, 815, 860, 978, 1110, 1290, 1591, 1630, 1956, 2220, 2445, 2580, 3182, 3260, 4773, 4890, 6031, 6364, 7009, 7955, 9546, 9780, 12062, 14018, 15910, 18093, 19092, 21027, 23865, 24124, 28036, 30155, 31820, 35045, 36186, 42054, 47730, 60310, 70090, 72372, 84108, 90465, 95460, 105135, 120620, 140180, 180930, 210270, 259333, 361860, 420540, 518666, 777999, 1037332, 1296665, 1555998, 2593330, 3111996, 3889995, 5186660, 7779990, 15559980]

約数ペア:

[(1, 15559980), (2, 7779990), (3, 5186660), (4, 3889995), (5, 3111996), (6, 2593330), (10, 1555998), (12, 1296665), (15, 1037332), (20, 777999), (30, 518666), (37, 420540), (43, 361860), (60, 259333), (74, 210270), (86, 180930), (111, 140180), (129, 120620), (148, 105135), (163, 95460), (172, 90465), (185, 84108), (215, 72372), (222, 70090), (258, 60310), (326, 47730), (370, 42054), (430, 36186), (444, 35045), (489, 31820), (516, 30155), (555, 28036), (645, 24124), (652, 23865), (740, 21027), (815, 19092), (860, 18093), (978, 15910), (1110, 14018), (1290, 12062), (1591, 9780), (1630, 9546), (1956, 7955), (2220, 7009), (2445, 6364), (2580, 6031), (3182, 4890), (3260, 4773)]