172713780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25933}}^1$

素因数の和:25985

約数の個数: 72

約数和(自身を含む): 538078632

約数和(自身を除く): 365364852

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, 25933, 51866, 77799, 103732, 129665, 155598, 233397, 259330, 311196, 388995, 466794, 518660, 777990, 933588, 959521, 1166985, 1555980, 1919042, 2333970, 2878563, 3838084, 4667940, 4797605, 5757126, 8635689, 9595210, 11514252, 14392815, 17271378, 19190420, 28785630, 34542756, 43178445, 57571260, 86356890, 172713780]

約数ペア:

[(1, 172713780), (2, 86356890), (3, 57571260), (4, 43178445), (5, 34542756), (6, 28785630), (9, 19190420), (10, 17271378), (12, 14392815), (15, 11514252), (18, 9595210), (20, 8635689), (30, 5757126), (36, 4797605), (37, 4667940), (45, 3838084), (60, 2878563), (74, 2333970), (90, 1919042), (111, 1555980), (148, 1166985), (180, 959521), (185, 933588), (222, 777990), (333, 518660), (370, 466794), (444, 388995), (555, 311196), (666, 259330), (740, 233397), (1110, 155598), (1332, 129665), (1665, 103732), (2220, 77799), (3330, 51866), (6660, 25933)]