78980220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 264412512

約数和(自身を除く): 185432292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 113, 132, 165, 180, 198, 220, 226, 330, 339, 353, 396, 452, 495, 565, 660, 678, 706, 990, 1017, 1059, 1130, 1243, 1356, 1412, 1695, 1765, 1980, 2034, 2118, 2260, 2486, 3177, 3390, 3530, 3729, 3883, 4068, 4236, 4972, 5085, 5295, 6215, 6354, 6780, 7060, 7458, 7766, 10170, 10590, 11187, 11649, 12430, 12708, 14916, 15532, 15885, 18645, 19415, 20340, 21180, 22374, 23298, 24860, 31770, 34947, 37290, 38830, 39889, 44748, 46596, 55935, 58245, 63540, 69894, 74580, 77660, 79778, 111870, 116490, 119667, 139788, 159556, 174735, 199445, 223740, 232980, 239334, 349470, 359001, 398890, 438779, 478668, 598335, 698940, 718002, 797780, 877558, 1196670, 1316337, 1436004, 1755116, 1795005, 2193895, 2393340, 2632674, 3590010, 3949011, 4387790, 5265348, 6581685, 7180020, 7898022, 8775580, 13163370, 15796044, 19745055, 26326740, 39490110, 78980220]

約数ペア:

[(1, 78980220), (2, 39490110), (3, 26326740), (4, 19745055), (5, 15796044), (6, 13163370), (9, 8775580), (10, 7898022), (11, 7180020), (12, 6581685), (15, 5265348), (18, 4387790), (20, 3949011), (22, 3590010), (30, 2632674), (33, 2393340), (36, 2193895), (44, 1795005), (45, 1755116), (55, 1436004), (60, 1316337), (66, 1196670), (90, 877558), (99, 797780), (110, 718002), (113, 698940), (132, 598335), (165, 478668), (180, 438779), (198, 398890), (220, 359001), (226, 349470), (330, 239334), (339, 232980), (353, 223740), (396, 199445), (452, 174735), (495, 159556), (565, 139788), (660, 119667), (678, 116490), (706, 111870), (990, 79778), (1017, 77660), (1059, 74580), (1130, 69894), (1243, 63540), (1356, 58245), (1412, 55935), (1695, 46596), (1765, 44748), (1980, 39889), (2034, 38830), (2118, 37290), (2260, 34947), (2486, 31770), (3177, 24860), (3390, 23298), (3530, 22374), (3729, 21180), (3883, 20340), (4068, 19415), (4236, 18645), (4972, 15885), (5085, 15532), (5295, 14916), (6215, 12708), (6354, 12430), (6780, 11649), (7060, 11187), (7458, 10590), (7766, 10170)]