78195840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 251899200

約数和(自身を除く): 173703360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 278, 293, 320, 384, 417, 480, 556, 586, 640, 695, 834, 879, 960, 1112, 1172, 1390, 1465, 1668, 1758, 1920, 2085, 2224, 2344, 2780, 2930, 3336, 3516, 4170, 4395, 4448, 4688, 5560, 5860, 6672, 7032, 8340, 8790, 8896, 9376, 11120, 11720, 13344, 14064, 16680, 17580, 17792, 18752, 22240, 23440, 26688, 28128, 33360, 35160, 37504, 40727, 44480, 46880, 53376, 56256, 66720, 70320, 81454, 88960, 93760, 112512, 122181, 133440, 140640, 162908, 187520, 203635, 244362, 266880, 281280, 325816, 407270, 488724, 562560, 610905, 651632, 814540, 977448, 1221810, 1303264, 1629080, 1954896, 2443620, 2606528, 3258160, 3909792, 4887240, 5213056, 6516320, 7819584, 9774480, 13032640, 15639168, 19548960, 26065280, 39097920, 78195840]

約数ペア:

[(1, 78195840), (2, 39097920), (3, 26065280), (4, 19548960), (5, 15639168), (6, 13032640), (8, 9774480), (10, 7819584), (12, 6516320), (15, 5213056), (16, 4887240), (20, 3909792), (24, 3258160), (30, 2606528), (32, 2443620), (40, 1954896), (48, 1629080), (60, 1303264), (64, 1221810), (80, 977448), (96, 814540), (120, 651632), (128, 610905), (139, 562560), (160, 488724), (192, 407270), (240, 325816), (278, 281280), (293, 266880), (320, 244362), (384, 203635), (417, 187520), (480, 162908), (556, 140640), (586, 133440), (640, 122181), (695, 112512), (834, 93760), (879, 88960), (960, 81454), (1112, 70320), (1172, 66720), (1390, 56256), (1465, 53376), (1668, 46880), (1758, 44480), (1920, 40727), (2085, 37504), (2224, 35160), (2344, 33360), (2780, 28128), (2930, 26688), (3336, 23440), (3516, 22240), (4170, 18752), (4395, 17792), (4448, 17580), (4688, 16680), (5560, 14064), (5860, 13344), (6672, 11720), (7032, 11120), (8340, 9376), (8790, 8896)]