129917440

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2713

約数の個数: 80

約数和(自身を含む): 328014720

約数和(自身を除く): 198097280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 2671, 3040, 4864, 5342, 6080, 9728, 10684, 12160, 13355, 21368, 24320, 26710, 42736, 48640, 50749, 53420, 85472, 101498, 106840, 170944, 202996, 213680, 253745, 341888, 405992, 427360, 507490, 683776, 811984, 854720, 1014980, 1367552, 1623968, 1709440, 2029960, 3247936, 3418880, 4059920, 6495872, 6837760, 8119840, 12991744, 16239680, 25983488, 32479360, 64958720, 129917440]

約数ペア:

[(1, 129917440), (2, 64958720), (4, 32479360), (5, 25983488), (8, 16239680), (10, 12991744), (16, 8119840), (19, 6837760), (20, 6495872), (32, 4059920), (38, 3418880), (40, 3247936), (64, 2029960), (76, 1709440), (80, 1623968), (95, 1367552), (128, 1014980), (152, 854720), (160, 811984), (190, 683776), (256, 507490), (304, 427360), (320, 405992), (380, 341888), (512, 253745), (608, 213680), (640, 202996), (760, 170944), (1216, 106840), (1280, 101498), (1520, 85472), (2432, 53420), (2560, 50749), (2671, 48640), (3040, 42736), (4864, 26710), (5342, 24320), (6080, 21368), (9728, 13355), (10684, 12160)]