1212847560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15817}}^1$

素因数の和:15908

約数の個数: 128

約数和(自身を含む): 4100025600

約数和(自身を除く): 2887178040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2130, 2556, 2840, 3195, 3834, 4260, 5112, 6390, 7668, 8520, 9585, 12780, 15336, 15817, 19170, 25560, 31634, 38340, 47451, 63268, 76680, 79085, 94902, 126536, 142353, 158170, 189804, 237255, 284706, 316340, 379608, 427059, 474510, 569412, 632680, 711765, 854118, 949020, 1123007, 1138824, 1423530, 1708236, 1898040, 2135295, 2246014, 2847060, 3369021, 3416472, 4270590, 4492028, 5615035, 5694120, 6738042, 8541180, 8984056, 10107063, 11230070, 13476084, 16845105, 17082360, 20214126, 22460140, 26952168, 30321189, 33690210, 40428252, 44920280, 50535315, 60642378, 67380420, 80856504, 101070630, 121284756, 134760840, 151605945, 202141260, 242569512, 303211890, 404282520, 606423780, 1212847560]

約数ペア:

[(1, 1212847560), (2, 606423780), (3, 404282520), (4, 303211890), (5, 242569512), (6, 202141260), (8, 151605945), (9, 134760840), (10, 121284756), (12, 101070630), (15, 80856504), (18, 67380420), (20, 60642378), (24, 50535315), (27, 44920280), (30, 40428252), (36, 33690210), (40, 30321189), (45, 26952168), (54, 22460140), (60, 20214126), (71, 17082360), (72, 16845105), (90, 13476084), (108, 11230070), (120, 10107063), (135, 8984056), (142, 8541180), (180, 6738042), (213, 5694120), (216, 5615035), (270, 4492028), (284, 4270590), (355, 3416472), (360, 3369021), (426, 2847060), (540, 2246014), (568, 2135295), (639, 1898040), (710, 1708236), (852, 1423530), (1065, 1138824), (1080, 1123007), (1278, 949020), (1420, 854118), (1704, 711765), (1917, 632680), (2130, 569412), (2556, 474510), (2840, 427059), (3195, 379608), (3834, 316340), (4260, 284706), (5112, 237255), (6390, 189804), (7668, 158170), (8520, 142353), (9585, 126536), (12780, 94902), (15336, 79085), (15817, 76680), (19170, 63268), (25560, 47451), (31634, 38340)]