2601780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 7373184

約数和(自身を除く): 4771404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 421, 515, 618, 842, 1030, 1236, 1263, 1545, 1684, 2060, 2105, 2526, 3090, 4210, 5052, 6180, 6315, 8420, 12630, 25260, 43363, 86726, 130089, 173452, 216815, 260178, 433630, 520356, 650445, 867260, 1300890, 2601780]

約数ペア:

[(1, 2601780), (2, 1300890), (3, 867260), (4, 650445), (5, 520356), (6, 433630), (10, 260178), (12, 216815), (15, 173452), (20, 130089), (30, 86726), (60, 43363), (103, 25260), (206, 12630), (309, 8420), (412, 6315), (421, 6180), (515, 5052), (618, 4210), (842, 3090), (1030, 2526), (1236, 2105), (1263, 2060), (1545, 1684)]