1278511560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1759}}^1$

素因数の和:2452

約数の個数: 128

約数和(自身を含む): 4270464000

約数和(自身を除く): 2991952440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 673, 1080, 1346, 1759, 2019, 2692, 3365, 3518, 4038, 5277, 5384, 6057, 6730, 7036, 8076, 8795, 10095, 10554, 12114, 13460, 14072, 15831, 16152, 17590, 18171, 20190, 21108, 24228, 26385, 26920, 30285, 31662, 35180, 36342, 40380, 42216, 47493, 48456, 52770, 60570, 63324, 70360, 72684, 79155, 80760, 90855, 94986, 105540, 121140, 126648, 145368, 158310, 181710, 189972, 211080, 237465, 242280, 316620, 363420, 379944, 474930, 633240, 726840, 949860, 1183807, 1899720, 2367614, 3551421, 4735228, 5919035, 7102842, 9470456, 10654263, 11838070, 14205684, 17757105, 21308526, 23676140, 28411368, 31962789, 35514210, 42617052, 47352280, 53271315, 63925578, 71028420, 85234104, 106542630, 127851156, 142056840, 159813945, 213085260, 255702312, 319627890, 426170520, 639255780, 1278511560]

約数ペア:

[(1, 1278511560), (2, 639255780), (3, 426170520), (4, 319627890), (5, 255702312), (6, 213085260), (8, 159813945), (9, 142056840), (10, 127851156), (12, 106542630), (15, 85234104), (18, 71028420), (20, 63925578), (24, 53271315), (27, 47352280), (30, 42617052), (36, 35514210), (40, 31962789), (45, 28411368), (54, 23676140), (60, 21308526), (72, 17757105), (90, 14205684), (108, 11838070), (120, 10654263), (135, 9470456), (180, 7102842), (216, 5919035), (270, 4735228), (360, 3551421), (540, 2367614), (673, 1899720), (1080, 1183807), (1346, 949860), (1759, 726840), (2019, 633240), (2692, 474930), (3365, 379944), (3518, 363420), (4038, 316620), (5277, 242280), (5384, 237465), (6057, 211080), (6730, 189972), (7036, 181710), (8076, 158310), (8795, 145368), (10095, 126648), (10554, 121140), (12114, 105540), (13460, 94986), (14072, 90855), (15831, 80760), (16152, 79155), (17590, 72684), (18171, 70360), (20190, 63324), (21108, 60570), (24228, 52770), (26385, 48456), (26920, 47493), (30285, 42216), (31662, 40380), (35180, 36342)]