61893920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 168920640

約数和(自身を除く): 107026720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 121, 139, 160, 176, 184, 220, 230, 242, 253, 278, 352, 368, 440, 460, 484, 506, 556, 605, 695, 736, 880, 920, 968, 1012, 1112, 1210, 1265, 1390, 1529, 1760, 1840, 1936, 2024, 2224, 2420, 2530, 2780, 2783, 3058, 3197, 3680, 3872, 4048, 4448, 4840, 5060, 5560, 5566, 6116, 6394, 7645, 8096, 9680, 10120, 11120, 11132, 12232, 12788, 13915, 15290, 15985, 16819, 19360, 20240, 22240, 22264, 24464, 25576, 27830, 30580, 31970, 33638, 35167, 40480, 44528, 48928, 51152, 55660, 61160, 63940, 67276, 70334, 84095, 89056, 102304, 111320, 122320, 127880, 134552, 140668, 168190, 175835, 222640, 244640, 255760, 269104, 281336, 336380, 351670, 386837, 445280, 511520, 538208, 562672, 672760, 703340, 773674, 1125344, 1345520, 1406680, 1547348, 1934185, 2691040, 2813360, 3094696, 3868370, 5626720, 6189392, 7736740, 12378784, 15473480, 30946960, 61893920]

約数ペア:

[(1, 61893920), (2, 30946960), (4, 15473480), (5, 12378784), (8, 7736740), (10, 6189392), (11, 5626720), (16, 3868370), (20, 3094696), (22, 2813360), (23, 2691040), (32, 1934185), (40, 1547348), (44, 1406680), (46, 1345520), (55, 1125344), (80, 773674), (88, 703340), (92, 672760), (110, 562672), (115, 538208), (121, 511520), (139, 445280), (160, 386837), (176, 351670), (184, 336380), (220, 281336), (230, 269104), (242, 255760), (253, 244640), (278, 222640), (352, 175835), (368, 168190), (440, 140668), (460, 134552), (484, 127880), (506, 122320), (556, 111320), (605, 102304), (695, 89056), (736, 84095), (880, 70334), (920, 67276), (968, 63940), (1012, 61160), (1112, 55660), (1210, 51152), (1265, 48928), (1390, 44528), (1529, 40480), (1760, 35167), (1840, 33638), (1936, 31970), (2024, 30580), (2224, 27830), (2420, 25576), (2530, 24464), (2780, 22264), (2783, 22240), (3058, 20240), (3197, 19360), (3680, 16819), (3872, 15985), (4048, 15290), (4448, 13915), (4840, 12788), (5060, 12232), (5560, 11132), (5566, 11120), (6116, 10120), (6394, 9680), (7645, 8096)]