81531270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1801}}^1$

素因数の和:2317

約数の個数: 48

約数和(自身を含む): 212520672

約数和(自身を除く): 130989402

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 503, 1006, 1509, 1801, 2515, 3018, 3602, 4527, 5030, 5403, 7545, 9005, 9054, 10806, 15090, 16209, 18010, 22635, 27015, 32418, 45270, 54030, 81045, 162090, 905903, 1811806, 2717709, 4529515, 5435418, 8153127, 9059030, 13588545, 16306254, 27177090, 40765635, 81531270]

約数ペア:

[(1, 81531270), (2, 40765635), (3, 27177090), (5, 16306254), (6, 13588545), (9, 9059030), (10, 8153127), (15, 5435418), (18, 4529515), (30, 2717709), (45, 1811806), (90, 905903), (503, 162090), (1006, 81045), (1509, 54030), (1801, 45270), (2515, 32418), (3018, 27015), (3602, 22635), (4527, 18010), (5030, 16209), (5403, 15090), (7545, 10806), (9005, 9054)]