31317480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{86993}}^1$

素因数の和:87010

約数の個数: 48

約数和(自身を含む): 101782980

約数和(自身を除く): 70465500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 86993, 173986, 260979, 347972, 434965, 521958, 695944, 782937, 869930, 1043916, 1304895, 1565874, 1739860, 2087832, 2609790, 3131748, 3479720, 3914685, 5219580, 6263496, 7829370, 10439160, 15658740, 31317480]

約数ペア:

[(1, 31317480), (2, 15658740), (3, 10439160), (4, 7829370), (5, 6263496), (6, 5219580), (8, 3914685), (9, 3479720), (10, 3131748), (12, 2609790), (15, 2087832), (18, 1739860), (20, 1565874), (24, 1304895), (30, 1043916), (36, 869930), (40, 782937), (45, 695944), (60, 521958), (72, 434965), (90, 347972), (120, 260979), (180, 173986), (360, 86993)]