220665280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 168

約数和(自身を含む): 595914480

約数和(自身を除く): 375249200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 121, 139, 160, 164, 176, 205, 220, 242, 278, 320, 328, 352, 410, 440, 451, 484, 556, 605, 656, 695, 704, 820, 880, 902, 968, 1112, 1210, 1312, 1390, 1529, 1640, 1760, 1804, 1936, 2224, 2255, 2420, 2624, 2780, 3058, 3280, 3520, 3608, 3872, 4448, 4510, 4840, 4961, 5560, 5699, 6116, 6560, 7216, 7645, 7744, 8896, 9020, 9680, 9922, 11120, 11398, 12232, 13120, 14432, 15290, 16819, 18040, 19360, 19844, 22240, 22796, 24464, 24805, 28495, 28864, 30580, 33638, 36080, 38720, 39688, 44480, 45592, 48928, 49610, 56990, 61160, 62689, 67276, 72160, 79376, 84095, 91184, 97856, 99220, 113980, 122320, 125378, 134552, 144320, 158752, 168190, 182368, 198440, 227960, 244640, 250756, 269104, 313445, 317504, 336380, 364736, 396880, 455920, 489280, 501512, 538208, 626890, 672760, 689579, 793760, 911840, 1003024, 1076416, 1253780, 1345520, 1379158, 1587520, 1823680, 2006048, 2507560, 2691040, 2758316, 3447895, 4012096, 5015120, 5382080, 5516632, 6895790, 10030240, 11033264, 13791580, 20060480, 22066528, 27583160, 44133056, 55166320, 110332640, 220665280]

約数ペア:

[(1, 220665280), (2, 110332640), (4, 55166320), (5, 44133056), (8, 27583160), (10, 22066528), (11, 20060480), (16, 13791580), (20, 11033264), (22, 10030240), (32, 6895790), (40, 5516632), (41, 5382080), (44, 5015120), (55, 4012096), (64, 3447895), (80, 2758316), (82, 2691040), (88, 2507560), (110, 2006048), (121, 1823680), (139, 1587520), (160, 1379158), (164, 1345520), (176, 1253780), (205, 1076416), (220, 1003024), (242, 911840), (278, 793760), (320, 689579), (328, 672760), (352, 626890), (410, 538208), (440, 501512), (451, 489280), (484, 455920), (556, 396880), (605, 364736), (656, 336380), (695, 317504), (704, 313445), (820, 269104), (880, 250756), (902, 244640), (968, 227960), (1112, 198440), (1210, 182368), (1312, 168190), (1390, 158752), (1529, 144320), (1640, 134552), (1760, 125378), (1804, 122320), (1936, 113980), (2224, 99220), (2255, 97856), (2420, 91184), (2624, 84095), (2780, 79376), (3058, 72160), (3280, 67276), (3520, 62689), (3608, 61160), (3872, 56990), (4448, 49610), (4510, 48928), (4840, 45592), (4961, 44480), (5560, 39688), (5699, 38720), (6116, 36080), (6560, 33638), (7216, 30580), (7645, 28864), (7744, 28495), (8896, 24805), (9020, 24464), (9680, 22796), (9922, 22240), (11120, 19844), (11398, 19360), (12232, 18040), (13120, 16819), (14432, 15290)]