15697980975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{256189}}^1$

素因数の和:256264

約数の個数: 48

約数和(自身を含む): 27955452800

約数和(自身を除く): 12257471825

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 817, 1075, 1425, 2451, 3225, 4085, 12255, 20425, 61275, 256189, 768567, 1280945, 3842835, 4867591, 6404725, 11016127, 14602773, 19214175, 24337955, 33048381, 55080635, 73013865, 121689775, 165241905, 209306413, 275403175, 365069325, 627919239, 826209525, 1046532065, 3139596195, 5232660325, 15697980975]

約数ペア:

[(1, 15697980975), (3, 5232660325), (5, 3139596195), (15, 1046532065), (19, 826209525), (25, 627919239), (43, 365069325), (57, 275403175), (75, 209306413), (95, 165241905), (129, 121689775), (215, 73013865), (285, 55080635), (475, 33048381), (645, 24337955), (817, 19214175), (1075, 14602773), (1425, 11016127), (2451, 6404725), (3225, 4867591), (4085, 3842835), (12255, 1280945), (20425, 768567), (61275, 256189)]