80912340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12149}}^1$

素因数の和:12201

約数の個数: 72

約数和(自身を含む): 252088200

約数和(自身を除く): 171175860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 12149, 24298, 36447, 48596, 60745, 72894, 109341, 121490, 145788, 182235, 218682, 242980, 364470, 437364, 449513, 546705, 728940, 899026, 1093410, 1348539, 1798052, 2186820, 2247565, 2697078, 4045617, 4495130, 5394156, 6742695, 8091234, 8990260, 13485390, 16182468, 20228085, 26970780, 40456170, 80912340]

約数ペア:

[(1, 80912340), (2, 40456170), (3, 26970780), (4, 20228085), (5, 16182468), (6, 13485390), (9, 8990260), (10, 8091234), (12, 6742695), (15, 5394156), (18, 4495130), (20, 4045617), (30, 2697078), (36, 2247565), (37, 2186820), (45, 1798052), (60, 1348539), (74, 1093410), (90, 899026), (111, 728940), (148, 546705), (180, 449513), (185, 437364), (222, 364470), (333, 242980), (370, 218682), (444, 182235), (555, 145788), (666, 121490), (740, 109341), (1110, 72894), (1332, 60745), (1665, 48596), (2220, 36447), (3330, 24298), (6660, 12149)]