1380479840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1657}}^1$

素因数の和:1840

約数の個数: 96

約数和(自身を含む): 3369268224

約数和(自身を除く): 1988788384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 127, 160, 164, 205, 254, 328, 410, 508, 635, 656, 820, 1016, 1270, 1312, 1640, 1657, 2032, 2540, 3280, 3314, 4064, 5080, 5207, 6560, 6628, 8285, 10160, 10414, 13256, 16570, 20320, 20828, 26035, 26512, 33140, 41656, 52070, 53024, 66280, 67937, 83312, 104140, 132560, 135874, 166624, 208280, 210439, 265120, 271748, 339685, 416560, 420878, 543496, 679370, 833120, 841756, 1052195, 1086992, 1358740, 1683512, 2104390, 2173984, 2717480, 3367024, 4208780, 5434960, 6734048, 8417560, 8627999, 10869920, 16835120, 17255998, 33670240, 34511996, 43139995, 69023992, 86279990, 138047984, 172559980, 276095968, 345119960, 690239920, 1380479840]

約数ペア:

[(1, 1380479840), (2, 690239920), (4, 345119960), (5, 276095968), (8, 172559980), (10, 138047984), (16, 86279990), (20, 69023992), (32, 43139995), (40, 34511996), (41, 33670240), (80, 17255998), (82, 16835120), (127, 10869920), (160, 8627999), (164, 8417560), (205, 6734048), (254, 5434960), (328, 4208780), (410, 3367024), (508, 2717480), (635, 2173984), (656, 2104390), (820, 1683512), (1016, 1358740), (1270, 1086992), (1312, 1052195), (1640, 841756), (1657, 833120), (2032, 679370), (2540, 543496), (3280, 420878), (3314, 416560), (4064, 339685), (5080, 271748), (5207, 265120), (6560, 210439), (6628, 208280), (8285, 166624), (10160, 135874), (10414, 132560), (13256, 104140), (16570, 83312), (20320, 67937), (20828, 66280), (26035, 53024), (26512, 52070), (33140, 41656)]