69201920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 104

約数和(自身を含む): 172993920

約数和(自身を除く): 103792000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 128, 155, 160, 218, 248, 256, 310, 320, 436, 496, 512, 545, 620, 640, 872, 992, 1024, 1090, 1240, 1280, 1744, 1984, 2048, 2180, 2480, 2560, 3379, 3488, 3968, 4096, 4360, 4960, 5120, 6758, 6976, 7936, 8720, 9920, 10240, 13516, 13952, 15872, 16895, 17440, 19840, 20480, 27032, 27904, 31744, 33790, 34880, 39680, 54064, 55808, 63488, 67580, 69760, 79360, 108128, 111616, 126976, 135160, 139520, 158720, 216256, 223232, 270320, 279040, 317440, 432512, 446464, 540640, 558080, 634880, 865024, 1081280, 1116160, 1730048, 2162560, 2232320, 3460096, 4325120, 6920192, 8650240, 13840384, 17300480, 34600960, 69201920]

約数ペア:

[(1, 69201920), (2, 34600960), (4, 17300480), (5, 13840384), (8, 8650240), (10, 6920192), (16, 4325120), (20, 3460096), (31, 2232320), (32, 2162560), (40, 1730048), (62, 1116160), (64, 1081280), (80, 865024), (109, 634880), (124, 558080), (128, 540640), (155, 446464), (160, 432512), (218, 317440), (248, 279040), (256, 270320), (310, 223232), (320, 216256), (436, 158720), (496, 139520), (512, 135160), (545, 126976), (620, 111616), (640, 108128), (872, 79360), (992, 69760), (1024, 67580), (1090, 63488), (1240, 55808), (1280, 54064), (1744, 39680), (1984, 34880), (2048, 33790), (2180, 31744), (2480, 27904), (2560, 27032), (3379, 20480), (3488, 19840), (3968, 17440), (4096, 16895), (4360, 15872), (4960, 13952), (5120, 13516), (6758, 10240), (6976, 9920), (7936, 8720)]