31119960

素因数分解:

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

素因数の和:257

約数の個数: 128

約数和(自身を含む): 98714880

約数和(自身を除く): 67594920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 163, 172, 185, 215, 222, 258, 296, 326, 344, 370, 430, 444, 489, 516, 555, 645, 652, 740, 815, 860, 888, 978, 1032, 1110, 1290, 1304, 1480, 1591, 1630, 1720, 1956, 2220, 2445, 2580, 3182, 3260, 3912, 4440, 4773, 4890, 5160, 6031, 6364, 6520, 7009, 7955, 9546, 9780, 12062, 12728, 14018, 15910, 18093, 19092, 19560, 21027, 23865, 24124, 28036, 30155, 31820, 35045, 36186, 38184, 42054, 47730, 48248, 56072, 60310, 63640, 70090, 72372, 84108, 90465, 95460, 105135, 120620, 140180, 144744, 168216, 180930, 190920, 210270, 241240, 259333, 280360, 361860, 420540, 518666, 723720, 777999, 841080, 1037332, 1296665, 1555998, 2074664, 2593330, 3111996, 3889995, 5186660, 6223992, 7779990, 10373320, 15559980, 31119960]

約数ペア:

[(1, 31119960), (2, 15559980), (3, 10373320), (4, 7779990), (5, 6223992), (6, 5186660), (8, 3889995), (10, 3111996), (12, 2593330), (15, 2074664), (20, 1555998), (24, 1296665), (30, 1037332), (37, 841080), (40, 777999), (43, 723720), (60, 518666), (74, 420540), (86, 361860), (111, 280360), (120, 259333), (129, 241240), (148, 210270), (163, 190920), (172, 180930), (185, 168216), (215, 144744), (222, 140180), (258, 120620), (296, 105135), (326, 95460), (344, 90465), (370, 84108), (430, 72372), (444, 70090), (489, 63640), (516, 60310), (555, 56072), (645, 48248), (652, 47730), (740, 42054), (815, 38184), (860, 36186), (888, 35045), (978, 31820), (1032, 30155), (1110, 28036), (1290, 24124), (1304, 23865), (1480, 21027), (1591, 19560), (1630, 19092), (1720, 18093), (1956, 15910), (2220, 14018), (2445, 12728), (2580, 12062), (3182, 9780), (3260, 9546), (3912, 7955), (4440, 7009), (4773, 6520), (4890, 6364), (5160, 6031)]