78988560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47017}}^1$

素因数の和:47040

約数の個数: 80

約数和(自身を含む): 279851136

約数和(自身を除く): 200862576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 47017, 94034, 141051, 188068, 235085, 282102, 329119, 376136, 470170, 564204, 658238, 705255, 752272, 940340, 987357, 1128408, 1316476, 1410510, 1645595, 1880680, 1974714, 2256816, 2632952, 2821020, 3291190, 3761360, 3949428, 4936785, 5265904, 5642040, 6582380, 7898856, 9873570, 11284080, 13164760, 15797712, 19747140, 26329520, 39494280, 78988560]

約数ペア:

[(1, 78988560), (2, 39494280), (3, 26329520), (4, 19747140), (5, 15797712), (6, 13164760), (7, 11284080), (8, 9873570), (10, 7898856), (12, 6582380), (14, 5642040), (15, 5265904), (16, 4936785), (20, 3949428), (21, 3761360), (24, 3291190), (28, 2821020), (30, 2632952), (35, 2256816), (40, 1974714), (42, 1880680), (48, 1645595), (56, 1410510), (60, 1316476), (70, 1128408), (80, 987357), (84, 940340), (105, 752272), (112, 705255), (120, 658238), (140, 564204), (168, 470170), (210, 376136), (240, 329119), (280, 282102), (336, 235085), (420, 188068), (560, 141051), (840, 94034), (1680, 47017)]