218474640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 771825600

約数和(自身を除く): 553350960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 59, 60, 72, 74, 80, 90, 111, 118, 120, 139, 144, 148, 177, 180, 185, 222, 236, 240, 278, 295, 296, 333, 354, 360, 370, 417, 444, 472, 531, 555, 556, 590, 592, 666, 695, 708, 720, 740, 834, 885, 888, 944, 1062, 1110, 1112, 1180, 1251, 1332, 1390, 1416, 1480, 1665, 1668, 1770, 1776, 2085, 2124, 2183, 2220, 2224, 2360, 2502, 2655, 2664, 2780, 2832, 2960, 3330, 3336, 3540, 4170, 4248, 4366, 4440, 4720, 5004, 5143, 5310, 5328, 5560, 6255, 6549, 6660, 6672, 7080, 8201, 8340, 8496, 8732, 8880, 10008, 10286, 10620, 10915, 11120, 12510, 13098, 13320, 14160, 15429, 16402, 16680, 17464, 19647, 20016, 20572, 21240, 21830, 24603, 25020, 25715, 26196, 26640, 30858, 32745, 32804, 33360, 34928, 39294, 41005, 41144, 42480, 43660, 46287, 49206, 50040, 51430, 52392, 61716, 65490, 65608, 73809, 77145, 78588, 82010, 82288, 87320, 92574, 98235, 98412, 100080, 102860, 104784, 123015, 123432, 130980, 131216, 147618, 154290, 157176, 164020, 174640, 185148, 196470, 196824, 205720, 231435, 246030, 246864, 261960, 295236, 303437, 308580, 314352, 328040, 369045, 370296, 392940, 393648, 411440, 462870, 492060, 523920, 590472, 606874, 617160, 656080, 738090, 740592, 785880, 910311, 925740, 984120, 1180944, 1213748, 1234320, 1476180, 1517185, 1571760, 1820622, 1851480, 1968240, 2427496, 2730933, 2952360, 3034370, 3641244, 3702960, 4551555, 4854992, 5461866, 5904720, 6068740, 7282488, 9103110, 10923732, 12137480, 13654665, 14564976, 18206220, 21847464, 24274960, 27309330, 36412440, 43694928, 54618660, 72824880, 109237320, 218474640]

約数ペア:

[(1, 218474640), (2, 109237320), (3, 72824880), (4, 54618660), (5, 43694928), (6, 36412440), (8, 27309330), (9, 24274960), (10, 21847464), (12, 18206220), (15, 14564976), (16, 13654665), (18, 12137480), (20, 10923732), (24, 9103110), (30, 7282488), (36, 6068740), (37, 5904720), (40, 5461866), (45, 4854992), (48, 4551555), (59, 3702960), (60, 3641244), (72, 3034370), (74, 2952360), (80, 2730933), (90, 2427496), (111, 1968240), (118, 1851480), (120, 1820622), (139, 1571760), (144, 1517185), (148, 1476180), (177, 1234320), (180, 1213748), (185, 1180944), (222, 984120), (236, 925740), (240, 910311), (278, 785880), (295, 740592), (296, 738090), (333, 656080), (354, 617160), (360, 606874), (370, 590472), (417, 523920), (444, 492060), (472, 462870), (531, 411440), (555, 393648), (556, 392940), (590, 370296), (592, 369045), (666, 328040), (695, 314352), (708, 308580), (720, 303437), (740, 295236), (834, 261960), (885, 246864), (888, 246030), (944, 231435), (1062, 205720), (1110, 196824), (1112, 196470), (1180, 185148), (1251, 174640), (1332, 164020), (1390, 157176), (1416, 154290), (1480, 147618), (1665, 131216), (1668, 130980), (1770, 123432), (1776, 123015), (2085, 104784), (2124, 102860), (2183, 100080), (2220, 98412), (2224, 98235), (2360, 92574), (2502, 87320), (2655, 82288), (2664, 82010), (2780, 78588), (2832, 77145), (2960, 73809), (3330, 65608), (3336, 65490), (3540, 61716), (4170, 52392), (4248, 51430), (4366, 50040), (4440, 49206), (4720, 46287), (5004, 43660), (5143, 42480), (5310, 41144), (5328, 41005), (5560, 39294), (6255, 34928), (6549, 33360), (6660, 32804), (6672, 32745), (7080, 30858), (8201, 26640), (8340, 26196), (8496, 25715), (8732, 25020), (8880, 24603), (10008, 21830), (10286, 21240), (10620, 20572), (10915, 20016), (11120, 19647), (12510, 17464), (13098, 16680), (13320, 16402), (14160, 15429)]