2805780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 7951104

約数和(自身を除く): 5145324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 463, 505, 606, 926, 1010, 1212, 1389, 1515, 1852, 2020, 2315, 2778, 3030, 4630, 5556, 6060, 6945, 9260, 13890, 27780, 46763, 93526, 140289, 187052, 233815, 280578, 467630, 561156, 701445, 935260, 1402890, 2805780]

約数ペア:

[(1, 2805780), (2, 1402890), (3, 935260), (4, 701445), (5, 561156), (6, 467630), (10, 280578), (12, 233815), (15, 187052), (20, 140289), (30, 93526), (60, 46763), (101, 27780), (202, 13890), (303, 9260), (404, 6945), (463, 6060), (505, 5556), (606, 4630), (926, 3030), (1010, 2778), (1212, 2315), (1389, 2020), (1515, 1852)]