8640240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 31664640

約数和(自身を除く): 23024400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 139, 140, 148, 168, 185, 210, 222, 240, 259, 278, 280, 296, 336, 370, 417, 420, 444, 518, 555, 556, 560, 592, 695, 740, 777, 834, 840, 888, 973, 1036, 1110, 1112, 1295, 1390, 1480, 1554, 1668, 1680, 1776, 1946, 2072, 2085, 2220, 2224, 2590, 2780, 2919, 2960, 3108, 3336, 3885, 3892, 4144, 4170, 4440, 4865, 5143, 5180, 5560, 5838, 6216, 6672, 7770, 7784, 8340, 8880, 9730, 10286, 10360, 11120, 11676, 12432, 14595, 15429, 15540, 15568, 16680, 19460, 20572, 20720, 23352, 25715, 29190, 30858, 31080, 33360, 36001, 38920, 41144, 46704, 51430, 58380, 61716, 62160, 72002, 77145, 77840, 82288, 102860, 108003, 116760, 123432, 144004, 154290, 180005, 205720, 216006, 233520, 246864, 288008, 308580, 360010, 411440, 432012, 540015, 576016, 617160, 720020, 864024, 1080030, 1234320, 1440040, 1728048, 2160060, 2880080, 4320120, 8640240]

約数ペア:

[(1, 8640240), (2, 4320120), (3, 2880080), (4, 2160060), (5, 1728048), (6, 1440040), (7, 1234320), (8, 1080030), (10, 864024), (12, 720020), (14, 617160), (15, 576016), (16, 540015), (20, 432012), (21, 411440), (24, 360010), (28, 308580), (30, 288008), (35, 246864), (37, 233520), (40, 216006), (42, 205720), (48, 180005), (56, 154290), (60, 144004), (70, 123432), (74, 116760), (80, 108003), (84, 102860), (105, 82288), (111, 77840), (112, 77145), (120, 72002), (139, 62160), (140, 61716), (148, 58380), (168, 51430), (185, 46704), (210, 41144), (222, 38920), (240, 36001), (259, 33360), (278, 31080), (280, 30858), (296, 29190), (336, 25715), (370, 23352), (417, 20720), (420, 20572), (444, 19460), (518, 16680), (555, 15568), (556, 15540), (560, 15429), (592, 14595), (695, 12432), (740, 11676), (777, 11120), (834, 10360), (840, 10286), (888, 9730), (973, 8880), (1036, 8340), (1110, 7784), (1112, 7770), (1295, 6672), (1390, 6216), (1480, 5838), (1554, 5560), (1668, 5180), (1680, 5143), (1776, 4865), (1946, 4440), (2072, 4170), (2085, 4144), (2220, 3892), (2224, 3885), (2590, 3336), (2780, 3108), (2919, 2960)]