681990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 1658880

約数和(自身を除く): 976890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 179, 254, 358, 381, 537, 635, 762, 895, 1074, 1270, 1790, 1905, 2685, 3810, 5370, 22733, 45466, 68199, 113665, 136398, 227330, 340995, 681990]

約数ペア:

[(1, 681990), (2, 340995), (3, 227330), (5, 136398), (6, 113665), (10, 68199), (15, 45466), (30, 22733), (127, 5370), (179, 3810), (254, 2685), (358, 1905), (381, 1790), (537, 1270), (635, 1074), (762, 895)]