251511120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{7129}}^1$

素因数の和:7162

約数の個数: 180

約数和(自身を含む): 982699380

約数和(自身を除く): 731188260

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 7129, 8820, 11760, 14258, 17640, 21387, 28516, 35280, 35645, 42774, 49903, 57032, 64161, 71290, 85548, 99806, 106935, 114064, 128322, 142580, 149709, 171096, 199612, 213870, 249515, 256644, 285160, 299418, 320805, 342192, 349321, 399224, 427740, 449127, 499030, 513288, 570320, 598836, 641610, 698642, 748545, 798448, 855480, 898254, 998060, 1026576, 1047963, 1197672, 1283220, 1397284, 1497090, 1710960, 1746605, 1796508, 1996120, 2095926, 2245635, 2395344, 2566440, 2794568, 2994180, 3143889, 3493210, 3593016, 3992240, 4191852, 4491270, 5132880, 5239815, 5589136, 5988360, 6287778, 6986420, 7186032, 8383704, 8982540, 10479630, 11976720, 12575556, 13972840, 15719445, 16767408, 17965080, 20959260, 25151112, 27945680, 31438890, 35930160, 41918520, 50302224, 62877780, 83837040, 125755560, 251511120]

約数ペア:

[(1, 251511120), (2, 125755560), (3, 83837040), (4, 62877780), (5, 50302224), (6, 41918520), (7, 35930160), (8, 31438890), (9, 27945680), (10, 25151112), (12, 20959260), (14, 17965080), (15, 16767408), (16, 15719445), (18, 13972840), (20, 12575556), (21, 11976720), (24, 10479630), (28, 8982540), (30, 8383704), (35, 7186032), (36, 6986420), (40, 6287778), (42, 5988360), (45, 5589136), (48, 5239815), (49, 5132880), (56, 4491270), (60, 4191852), (63, 3992240), (70, 3593016), (72, 3493210), (80, 3143889), (84, 2994180), (90, 2794568), (98, 2566440), (105, 2395344), (112, 2245635), (120, 2095926), (126, 1996120), (140, 1796508), (144, 1746605), (147, 1710960), (168, 1497090), (180, 1397284), (196, 1283220), (210, 1197672), (240, 1047963), (245, 1026576), (252, 998060), (280, 898254), (294, 855480), (315, 798448), (336, 748545), (360, 698642), (392, 641610), (420, 598836), (441, 570320), (490, 513288), (504, 499030), (560, 449127), (588, 427740), (630, 399224), (720, 349321), (735, 342192), (784, 320805), (840, 299418), (882, 285160), (980, 256644), (1008, 249515), (1176, 213870), (1260, 199612), (1470, 171096), (1680, 149709), (1764, 142580), (1960, 128322), (2205, 114064), (2352, 106935), (2520, 99806), (2940, 85548), (3528, 71290), (3920, 64161), (4410, 57032), (5040, 49903), (5880, 42774), (7056, 35645), (7129, 35280), (8820, 28516), (11760, 21387), (14258, 17640)]