78708960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4969}}^1$

素因数の和:5001

約数の個数: 144

約数和(自身を含む): 293070960

約数和(自身を除く): 214362000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 4969, 5280, 7920, 9938, 14907, 15840, 19876, 24845, 29814, 39752, 44721, 49690, 54659, 59628, 74535, 79504, 89442, 99380, 109318, 119256, 149070, 159008, 163977, 178884, 198760, 218636, 223605, 238512, 273295, 298140, 327954, 357768, 397520, 437272, 447210, 477024, 491931, 546590, 596280, 655908, 715536, 795040, 819885, 874544, 894420, 983862, 1093180, 1192560, 1311816, 1431072, 1639770, 1749088, 1788840, 1967724, 2186360, 2385120, 2459655, 2623632, 3279540, 3577680, 3935448, 4372720, 4919310, 5247264, 6559080, 7155360, 7870896, 8745440, 9838620, 13118160, 15741792, 19677240, 26236320, 39354480, 78708960]

約数ペア:

[(1, 78708960), (2, 39354480), (3, 26236320), (4, 19677240), (5, 15741792), (6, 13118160), (8, 9838620), (9, 8745440), (10, 7870896), (11, 7155360), (12, 6559080), (15, 5247264), (16, 4919310), (18, 4372720), (20, 3935448), (22, 3577680), (24, 3279540), (30, 2623632), (32, 2459655), (33, 2385120), (36, 2186360), (40, 1967724), (44, 1788840), (45, 1749088), (48, 1639770), (55, 1431072), (60, 1311816), (66, 1192560), (72, 1093180), (80, 983862), (88, 894420), (90, 874544), (96, 819885), (99, 795040), (110, 715536), (120, 655908), (132, 596280), (144, 546590), (160, 491931), (165, 477024), (176, 447210), (180, 437272), (198, 397520), (220, 357768), (240, 327954), (264, 298140), (288, 273295), (330, 238512), (352, 223605), (360, 218636), (396, 198760), (440, 178884), (480, 163977), (495, 159008), (528, 149070), (660, 119256), (720, 109318), (792, 99380), (880, 89442), (990, 79504), (1056, 74535), (1320, 59628), (1440, 54659), (1584, 49690), (1760, 44721), (1980, 39752), (2640, 29814), (3168, 24845), (3960, 19876), (4969, 15840), (5280, 14907), (7920, 9938)]