221560440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 689472000

約数和(自身を除く): 467911560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 139, 148, 185, 222, 278, 296, 359, 370, 417, 444, 555, 556, 695, 718, 740, 834, 888, 1077, 1110, 1112, 1390, 1436, 1480, 1668, 1795, 2085, 2154, 2220, 2780, 2872, 3336, 3590, 4170, 4308, 4440, 5143, 5385, 5560, 7180, 8340, 8616, 10286, 10770, 13283, 14360, 15429, 16680, 20572, 21540, 25715, 26566, 30858, 39849, 41144, 43080, 49901, 51430, 53132, 61716, 66415, 77145, 79698, 99802, 102860, 106264, 123432, 132830, 149703, 154290, 159396, 199245, 199604, 205720, 249505, 265660, 299406, 308580, 318792, 398490, 399208, 499010, 531320, 598812, 617160, 748515, 796980, 998020, 1197624, 1497030, 1593960, 1846337, 1996040, 2994060, 3692674, 5539011, 5988120, 7385348, 9231685, 11078022, 14770696, 18463370, 22156044, 27695055, 36926740, 44312088, 55390110, 73853480, 110780220, 221560440]

約数ペア:

[(1, 221560440), (2, 110780220), (3, 73853480), (4, 55390110), (5, 44312088), (6, 36926740), (8, 27695055), (10, 22156044), (12, 18463370), (15, 14770696), (20, 11078022), (24, 9231685), (30, 7385348), (37, 5988120), (40, 5539011), (60, 3692674), (74, 2994060), (111, 1996040), (120, 1846337), (139, 1593960), (148, 1497030), (185, 1197624), (222, 998020), (278, 796980), (296, 748515), (359, 617160), (370, 598812), (417, 531320), (444, 499010), (555, 399208), (556, 398490), (695, 318792), (718, 308580), (740, 299406), (834, 265660), (888, 249505), (1077, 205720), (1110, 199604), (1112, 199245), (1390, 159396), (1436, 154290), (1480, 149703), (1668, 132830), (1795, 123432), (2085, 106264), (2154, 102860), (2220, 99802), (2780, 79698), (2872, 77145), (3336, 66415), (3590, 61716), (4170, 53132), (4308, 51430), (4440, 49901), (5143, 43080), (5385, 41144), (5560, 39849), (7180, 30858), (8340, 26566), (8616, 25715), (10286, 21540), (10770, 20572), (13283, 16680), (14360, 15429)]